Best Halogen Power Transformers in 2026

[Built-in Dusk to Dawn Sensor] Landscape lighting that is connected to this transformer will automatically switch on at dusk and off at dawn. By converting household voltage from 120V AC to 12V AC safety voltage using 120W, a safer and more useful electrical current level is produced.

[Countdown Timer] Light control timing has 1-9-hour countdown. With this option, the transformer will turn on at dusk and shut off automatically 1/2/3/4/5/6/7/8/9 hours later.

[Easy to Operate and Install] To select Always On, Auto, or Countdown Timing mode, press up/down arrow. It has Built-in mounting holes, 3.3-foot STJW 18AWG power cord, and direct wall mounting for outdoor walls.

【Built-in Dusk to Dawn Sensor】Attached with this transformer, the landscape lighting will turn on automatically at dusk and off at dawn. 300W, convert 120V AC household voltage to 12V/14V AC safety voltage, providing a safer and more practical electrical current level.

【Countdown Timer】Light control timing, 1-9 hour countdown, with this mode, the transformer will turn on at dusk and automatically turn off 1/2/3/4/5/6/7/8/9 hours later.

【Easy to Operate & Install】Press ▲▼ to set Always On/Auto/Countdown Timing mode in turn. Built-in hanging holes, 3.3ft STJW 18AWG power cord, mount it on outdoor walls directly.

【Built-in Dusk to Dawn Sensor】Attached with this transformer, the landscape lighting will turn on automatically at dusk and off at dawn. 200W, convert 120V AC household voltage to 12V AC safety voltage, providing a safer and more practical electrical current level.

【Countdown Timer】Light control timing, 1-9 hour countdown, with this mode, the transformer will turn on at dusk and automatically turn off 1/2/3/4/5/6/7/8/9 hours later.

【Easy to Operate & Install】Just press ▲▼ to set Always On/Auto/Countdown Timing mode in turn. Built-in hanging holes, 3.3ft STJW 18AWG power cord, mount it on outdoor walls directly.

【Compatible with All Low Voltage Lighting】 SUNVIE 200W low voltage transformer is dedicated to all LED low voltage lighting. Convert 120V AC household voltage to 12V AC safe voltage, providing a safer and more stable low-voltage lighting power. Widely used in landscape lighting, path lights, pathway lights, in-ground lights, outdoor spotlight, and other outdoor lighting.

【Built-in Timer and Photocell Sensor Device】 SUNVIE low voltage landscape transformer has a built-in timing device and photocell sensor. When set to “AUTO” mode, the landscape lights will automatically turn on at dusk and turn off at dawn; When set the “Countdown Timing” mode, the landscape lights will automatically turn on at dusk, and turn off 1/2/3/4/5/6/7/8/9 hours later.

【Easy to Operate and Install】 Press the "▲▼" button to set the “Always On”/”AUTO”/”Countdown Timer” mode, easy to operate. Connect the cable of low voltage landscape lights to the output terminal of transformer (2 sets 12V AC terminals ). Two hanging holes on the back, which can be directly mounted on the outdoor wall. 3.3 FT SJTW 18AWG power cord, plug and play.

Aluminum alloy metal housing, easy for heat dissipation and ensure stability. 100% Waterproof IP67 protect for outdoor use

Input: 110-260V AC 50/60HZ, Output: 24V DC 12.5A 300W.【Suggestion: The power used should not exceed 80% of the power of the power supply】

Converts 110V AC to 24V DC, 2 output, each output is 150W, total output is 300W, widely use for LED strip lights, led light bulbs and other 24V DC led lights(≤300W).

✅WIDELY APPLICABLE: Landscape transformer for your low voltage lighting needs. Goodsmann low voltage transformer are compatible with 12V low voltage landscape lighting system and can be used with LED and halogen lights etc

✅6 VERSATILE MODES: TIMER(timed on/off), AUTO(dusk-to-dawn), 4/6/8/10 (turn on at dusk and turn off /4/6/8/10 hours later), PHOTO ON/ TIMED OFF(turn on at dusk, turn off at set time), ON, OFF

✅EASY TO OPERATE: Intuitive interface designed for easy use. There have 2 hanging holes on the back for hanging the transformer. There are 2 output terminal on the bottom of the back for connecting cables, and the wattage of each output port is 300W

【120V AC to 12V/13V/14V AC】 300W, convert 120V AC household voltage to 12V/13V/14V safety voltage, providing a safer and more practical electrical current level. Multi-tap output design, enables you to add/subtract new circuits for connecting with your pool lights and low voltage landscape lights around.

【Easy to Install】 10 knockouts(φ1.06’’) are available for you to thread your wire in. High voltage compartment and low voltage compartment are convenient for storing the corrected wires. 2 mounting brackets separate the transformer from the wall, achieve heat dissipation effect.

【Durable & Safe】Solid metal construction, sealed shield design, protects the transformer against all severe weather conditions. UL Listed, this safety transformer is specially designed to operate low voltage lighting, suitable for direct connection to underwater pool/spa lights.

【Compatible with All Low Voltage Lighting】The 300W low voltage transformer is dedicated to all LED low voltage lighting. Convert 120V AC household voltage to 12V/14V AC safe voltage, providing a safer and more stable low-voltage lighting power. Widely used in landscape lighting, path lights, pathway lights, in-ground lights, outdoor spotlight, and other outdoor lighting.

【Built-in Photocell Sensor and Timer Control Device】The power pack has a built-in photocell sensor and timing device, the landscape lights connect to the power pack. When set to “AUTO” mode, the landscape lights will automatically turn on at dusk and turn off at dawn; When set the “Countdown Timing” mode, the landscape lights will automatically turn on at dusk, and turn off 1/2/3/4/5/6/7/8/9 hours later.

【Easy to Operate & Install】Press the "▲▼" key to set the “Always On”/”AUTO”/”Countdown Timer” mode, easy to operate. Connect the cable of low voltage landscape lights to the output terminal of transformer (12V AC or 14V AC). Two hanging holes on the back, which can be directly mounted on the outdoor wall. 3.3 FT 18AWG power cord, plug and play.

【Dusk to Dawn Sensor】This low voltage landscape transformer equipped with a photocell sensor. Attached the low voltage landscape lights to this smart transformer, lights will turn on automatically at dusk and off at dawn.

【Countdown Timer】When set to timer model, the landscape transformer will turn on at dusk and automatically turn off 2/3/4/5/6/7/8/9/10 hours later. Save your time and energy.

【Compatible with Low Voltage Landscape Lighting systems】The landscaping transformer converts 120V household AC voltage into 12V safe AC voltage, providing stable and safe voltage and current levels.It compatible with all 12V low voltage LED and halogen landscape lighting systems. Widely used in outdoor landscape lights, path lights, spotlights, string lights, led lights, deck lights, etc.

【Dusk to Dawn Sensor】The transformer is equipped with a detachable photocell sensor, so landscape lighting will turn on automatically at dusk and off at dawn. 6ft photocell sensor cable enables you to install the transformer indoor outdoor.

【Countdown Timer& Memory Function】Light control timing, 1-12 hours countdown, with this mode, the transformer will turn on at dusk and automatically turn off 1/2/3/4/5/6/7/8/9/10/11/12 hours later. Memory function, the transformer remains the timer mode you selected before, even when power outage.

【Individually Controlled Outputs】Advanced technology with 3 individually controlled terminal output zones, allows you to control your front porch lights, backyard lights and landscaping lights separately. Press the “Zone” Button to choose specific output for customizing your house lighting.

【Dusk to Dawn Sensor】The outdoor low voltage transformer is equipped with a detachable photocell sensor, so landscape lighting will turn on automatically at dusk and off at dawn. 6ft photocell sensor cable enables you to install the transformer indoor outdoor.

【Countdown Timer& Memory Function】Light control timing, 1-12 hours countdown, with this mode, the transformer will turn on at dusk and automatically turn off 1/2/3/4/5/6/7/8/9/10/11/12 hours later. Memory function, the transformer remains the timer mode you selected before, even when power outage.

【Individually Controlled Outputs】Advanced technology with 3 individually controlled terminal output zones, allows you to control your front porch lights, backyard lights and landscaping lights separately. Press the “Zone” Button to choose specific output for customizing your house lighting.

RISK FREE GUARANTEED! Transformer Construction: The 300 watt transformer is made of durable metal with a length of 5 inches, a width of 5.1 inches and a height of 8.5 inches. It can be placed outdoors for direct use and be protected against all severe weather conditions. The total power of the lamp is best not to exceed 75% of the power pack’s capacity

For low-voltage landscape lights: the 120V family voltage is converted to 12V AC safety voltage. Quick and easy to install, directly mount outdoors and can be placed on the wall or mailbox side

Light Control Timing: Malibu transformers connect light sensors that sense light, transformers start automatically at dusk; set the time so that your landscape lights automatically turn on at dusk and automatically shuts off at dawn

*DC 12V LED Transformer- 15W 12V LED driver power supply. AC 100-265V to DC 12V, great for DC 12V low voltage equipment like LED strip lights. Can be used indoors and outdoors.

*Waterproof IP67- This 12V DC LED driver is 100% Waterproof IP67 protected for outdoor use. Aluminum metal housing, easy for heat dissipation and ensure stability.

*Security- Our 110V AC to 12V DC switching converter is flicker-free output, thermal overload, over current, over voltage and short circuit protection built in to ensure security.

Comes with a limited 1-year warranty

Built in photo cell/photo eye

On/Off timer with manual override

【Voice Control & Remote Control】Dewenwils smart low voltage transformer works with Alexa and Google Home Assistant, control your landscaping lights by simply giving voice commands to them. You can also Download “ECO Plugs” App to set your preferred timer mode on smartphone.

【Schedule & Timer Function】5 Timer modes are available- programmable timer/ countdown timer/ astronomic timer/ holiday random/ security random modes. By astronomical timer mode, the lighting turns on automatically at dusk and off at dawn. 200W, convert 120V AC household voltage to 12V AC safety voltage, providing a safer and more practical electrical current level.

【Easy to Set & Install】Connect it to the internet through Wi-Fi network(only 2.4Ghz) for controlling spotlights anywhere and anytime. Built-in hanging hole, 3.3ft power cable, mount it on outdoor walls directly.

【Voice Control & Remote Control】Dewenwils smart low voltage transformer works with Alexa and Google Home Assistant, control your landscaping lights by simply giving voice commands to them. You can also Download “ECO Plugs” App to set your preferred timer mode on smartphone.

【Schedule & Timer Function】5 Timer modes are available- programmable timer/ countdown timer/ astronomic timer/ holiday random/ security random modes. By astronomical timer mode, the lighting turns on automatically at dusk and off at dawn. 300W, convert 120V AC household voltage to 12V/14V AC safety voltage, providing a safer and more practical electrical current level.

【Easy to Set & Install】Connect it to the internet through Wi-Fi network(only 2.4Ghz) for controlling spotlights anywhere and anytime. Built-in hanging hole, 3.3ft power cable, mount it on outdoor walls directly.

【Compatible with All Low Voltage Lighting】 SUNVIE 120W low voltage transformer is dedicated to all LED low voltage lighting. Convert 120V AC household voltage to 12V AC safe voltage, providing a safer and more stable low-voltage lighting power. Widely used in landscape lighting, path lights, pathway lights, in-ground lights, outdoor spotlight, and other outdoor lighting.

【Built-in Timer and Photocell Sensor Device】 SUNVIE low voltage landscape transformer has a built-in timing device and photocell sensor. When set to “AUTO” mode, the landscape lights will automatically turn on at dusk and turn off at dawn; When set the “Countdown Timing” mode, the landscape lights will automatically turn on at dusk, and turn off 1/2/3/4/5/6/7/8/9 hours later.

【Easy to Operate and Install】 Press the "▲▼" button to set the “Always On”/”AUTO”/”Countdown Timer” mode, easy to operate. Connect the cable of low voltage landscape lights to the output terminal of transformer (2 sets 12V AC terminals ). Two hanging holes on the back, which can be directly mounted on the outdoor wall. 3.3 FT SJTW 18AWG power cord, plug and play.

[Voice Control & Remote Control] Works with Alexa and Google Home Assistant, DEWENWILS smart low voltage transformer controls your landscaping lights by simply giving voice commands or by your smartphone; no hub required, efficient solution to enhance the home automation setup

[Schedule & Timer Function] This smart low voltage transformer allows you to spend vacation more safely and trustingly under Vacation mode; also 5 Timer modes available- programmable timer/ countdown timer/ holiday random/ security random modes/ Circulate mode; convert 120V AC to 12V AC safety voltage

[Easy to Set & Install] To remotely control the spotlights at any time and from any location, it is recommended to connect the device to the internet using a 2.4Ghz Wi-Fi network; built-in hanging hole and 3.3ft power cable make it directly to mount wifi landscape transformer on outdoor walls

【Voice Control & Remote Control】Dewenwils smart low voltage transformer works with Alexa and Google Home Assistant, control your landscaping lights by simply giving voice commands to it or by your smartphone; no hub required.

【Schedule & Timer Function】4 Timer modes are available- programmable timer/ countdown timer/ holiday random/ security random modes/Circulate mode. Vacation mode allows you to spend vacation more safely and trustingly. 300W, convert 120V AC household voltage to 12V/14V AC safety voltage, providing a safer and more practical electrical current level.

【Easy to Set & Install】Connect it to the internet through Wi-Fi network(only 2.4Ghz) for controlling spotlights anywhere and anytime. Built-in hanging hole, 3.3ft power cable, mount it on outdoor walls directly.

[Dusk to Dawn Sensor] Automatically turn on your landscape lights at dusk and off at dawn in Auto ON/OFF mode with detachable photocell sensor, 6ft power cord of the sensor allows you to install the dusk to dawn low voltage transformer indoors or outdoors; a boon for exterior lights

[5 Timing Modes] Easy to operate with the push of button, this digital low voltage transformer has 5 modes including Manual ON/OFF, AUTO ON/OFF, Photocell ON/ timer OFF, timer ON/OFF and TEST, meet all outdoor lighting needs in your back/front yard in an energy-saving way, perfect replacement for old transformer

[Weatherproof & Safe] Durable and sturdy enough to resist rain, snow, dust, and corrosion, this led landscape transformer is made of high quality metal material, can last for years whether mounted on inside or outside walls; manual reset circuit breaker will automatically trip once overloaded to ensure safety; ETL listed

【Dusk to Dawn Sensor】Equipped with a detachable photocell sensor, this low voltage transformer 300 watt enables landscape lights automatically turn on at dusk and off at dawn in Auto ON/OFF mode; 6ft power cord of the sensor allows you to install the transformer indoor or outdoor

【5 Timing Modes】Easy to operate with the push of button, the voltage transformer is designed with 5 modes including Manual ON/OFF, AUTO ON/OFF, Photocell ON/ timer OFF, timer ON/OFF and TEST, meet all your setting needs and maximize energy savings

【Weatherproof & Safe 】Made of high quality metal material, this low voltage lighting transformer is durable and sturdy enough to resist rain, snow, dust, and corrosion, lasts for years whether mounted on inside or outside walls; manual reset circuit breaker will automatically trip when overloaded to ensure safety; ETL listed

【Dusk to Dawn Sensor】Equipped with a detachable photocell sensor, this low voltage transformer 200 watt enables landscape lights automatically turn on at dusk and off at dawn in Auto ON/OFF mode; 6ft power cord of the sensor allows you to install the transformer indoor or outdoor

【5 Timing Modes】Easy to operate with the push of button, the voltage transformer is designed with 5 modes including Manual ON/OFF, AUTO ON/OFF, Photocell ON/ timer OFF, timer ON/OFF and TEST, meet all your setting needs and maximize energy savings

【Weatherproof & Safe 】Made of high quality metal material, this low voltage lighting transformer is durable and sturdy enough to resist rain, snow, dust, and corrosion, lasts for years whether mounted on inside or outside walls; manual reset circuit breaker will automatically trip when overloaded to ensure safety; ETL listed

【Dusk to Dawn】The low voltage transformer has a built-in light sensor. By selecting this mode, the attached lights will automatically turn on at dusk and off at dawn. Save your valuable time.

【Countdown Timer】When set to timer mode, the landscape transformer will automatically turn on at dusk and turn off after 2/4/6/8/10 hours. Energy savings.

【100-240V to 12V】The LED transformer steps down 100-240V household AC voltage to 12V safe DC voltage and is compatible with all 12V low voltage light systems. It’s Widely used in outdoor landscape lighting, path lights, spotlights, deck lights, string lights, etc.

Low Voltage Multi-tap 12-15 Volt Output 300-Watt capacity

Limited lifetime warranty

Built-in photocell and timer with Digital display for easy programming, will turn your lights on at dusk, with an option of waiting 1-9 hours to turn them off, Auto to use from Dusk to Dawn or with an option of constant On to override the photo cell and connect it to a plug in timer or remote system for indoor use

【24V Ultra-thin LED Driver】Ultra-thin, Not Dimmable, Constant Voltage, not constant current, AC 100-277V ( Wide Voltage) 50/60HZ to DC 24V 6.25A 150W LED power supply.

【Widely Used】This led power supply suitable for Led Light Strip, Led Strip Lights, Street Light, Garden Light, Survelillance Cameras,Fog-proof Light,Ceiling Lights,Frack Lights, Spotlight,Billboard,kitchen cabinet lights and led landscape transformer and any 24V DC lights

【Automatic Protections】Built-in thermal & overload cut-off, short circuit, over temperature protection, ensure your safe use.

BUILT-IN TIMER AND PHOTOCELL: This low voltage lighting transformer will automatically turn on at dusk and off at dawn with the "Auto" mode. With astronomic timer system, you can install the transformer indoor to prolong its lifetime.

DURABLE & WEATHERPROOF: Crafted with durable plastic and metal, this landscape transformer is designed to withstand harsh weather conditions, ensuring long-lasting performance.

TOROIDAL CORE DESIGN: This outdoor lighting transformer features a toroidal core for high electrical efficiency (95%) and minimal vibration noise during operation, making it suitable for indoor use.

Built-in timer and photocell: Built in photocell, this low voltage lighting transformer will turn on at dusk and off at dawn automatically at "Auto" mode. The transformer also features astronomic timer system, which uses geographical location to get your local sunset and sunrise time to help you to use energy with high efficiency. With astronomic timer system, you can install the transformer indoor to prolong its lifetime.

Durable & Weatherproof: Made with metal housing, this landscape transformer can still work in terrible weather. Removable door design for easy access. A transparent window allows you checking the setting situation without opening the door. Waterproof feature makes the transformer safe to use outdoors.

Overload protection: Maximum output of this outdoor lighting transformer is 300 watts. It is recommended not to exceed 80% of the total rated watts of the transformer.If the transformer is overloaded or there is a short circuit in the lighting system, it will shut off the low voltage output of the power in case of danger.

[Safe & Widely Compatible] Illuminate your outdoor spaces with our reliable 200W low voltage transformer, ETL listed; convert 120V AC household voltage to 12V/15V AC safe voltage, the 6ft SJTW 18AWG cord providing a safer and more stable low-voltage lighting power; widely used in landscape lighting, path lights, pathway lights, in-ground lights, outdoor spotlight, and more

[Hassle-Free Operate & Install] Equipped with intuitive and simple buttons, you can easily operate the landscape transformer without complicated programming; simply press the "▲▼" button to switch between the Always On/Auto/Countdown/Off modes, providing convenient and energy-saving options for your daily lighting needs; built-in hanging holes can be directly installed on the wall

[Photocell Sensor & Countdown Timer] Built-in dusk to dawn sensor automatically turns on at sunset, and off when sunrise; experience the convenience of automatic on/off, ensuring optimal energy efficiency; with a countdown timer setting, the landscape lights will automatically turn on at dusk, and turn off 1/2/3/4/5/6/7/8/9 hours later as needed