Best Wowoone in 2026

❥【CHARACTERISTIC】1 Display Voltage and current simultaneously in different colors, red for Voltage, Blue for current (the current is Measured in the negative rail). 2 Require external power supply; with reversed connection protection. 3 Ground wire of testing end and power supply terminal is the same wire; quick refresh of about 500 MS/time. 4 With built-in shunt, has Voltage and current calibration potentiometers.

❥【WITH MINI SIZED】48 x 29 x 21 mm, wide measuring range(dc 0-100v; 0-10A) and high accuracy percent (± 1 digit).

❥【WIDE APPLICATION】 Eiechip dc voltmeter ammeter has handy connection and wide application, for example, it can be applied to monitoring storage battery, DC adjustable power supply, or voltage and current changing state of other device.

【2.5D ARC DESIGN】To Be Different- 2.5D arc design of zinc alloy, smooth and round. The unique design style shows your most unique aesthetic and understanding of fashion. The ergonomic design makes it a good finger grip on crowded bus and subways to prevent your phone from slipping from your hands, also a perfect solution to place your smartphone on an office desk, kitchen counter, or bedside table when you are watching the video,making a video call or even playing games, totally free your hands.

【SAFETY THE FIRST】 Unlike most other products, these are truly polished ring holder, smooth edge, each corner of the finger ring is scanned and polished for a comfortable and silky smooth hand feel, protect the fingers and kids. It is a nice gift for loves, family members, and best friends.

【HIGH-STRENGTH ADHESIVENESS】With truly powerful and sticky 3M VHB tape, the phone ring stand can be attached to your cell phone or tablet tightly, making sure your phone is safe. Supports phones within 5kg. Note: Please do not use the phone ring kickstand within 24 hours after installation.

🧰Product Name: Aluminum Housed Wire Wound Resistor; Resistance Value: 3 Ohm、6 Ohm、8 Ohm、25 Ohm; Power Rating: 25W、50W、100W; Resistance Tolerance: ± 5% (J)

🧰Good Flexibility: Small Size of Large Power,Multiple Choice, Good for Machinery Protection, More Convenient for Users to Install.

🧰Heat dissipation: Shell is Made of Aluminum Alloy, A Heat Radiating Groove on The Surface, Suitable for Cooling Plate Installation, Can be Used in Atrocious Environment.

Product Name: Slide Switch; Type: 1 Pole 2 Throw; Material(External): Plastic, Metal.

Rated Voltage: AC 250V, Rated Current: 2A.

Soldering Pin Size: 6.8 X 1.3 X 0.8mm / 0.27 X 0.05 X 0.03inch(L*W*H).

♥ ♥ 3mm led diode and 5mm led light emmiting diodes,each 5 colors available (Red led diodes,Green led diodes ,Blue led diodes,Yellow led diodes,White led diodes) ,each size and color 20pcs ,total 200pcs.

♥ ♥ Ultra bright leds diodes light: Super bright with variety of colors for diy project.

♥ ♥ LED light emitting diode is best gift for school diy science experiments to your children.

Package included: 5 × Reed Switch, 10pcs Small Multi-Use Round Magnets

Length of glass: 14 mm；Diameter of plastic part: 2.5 mm

Maximum switching voltage 100VDC

✔【Reliability First】 No more wasting time and money on projects because of inferior transistors .This PNP & NPN power transistors kit total 200 pcs, excellent performance.

✔【Excellent Performance】 Made of upgrade materials, our transistor has high dielectric strength, fast switching speed, large power dissipation, and good current performance.

✔【Easy To Distinguish】 These transistors are marked code on each one. All transistors are packed in a re-used box with clearly labeled compartments, easy to manage and distinguish. No worry about getting mixed up anymore.

✔️100% New, Never Used, RoHS Compliant.

✔️30 Types, total 30 PCS (each 1 PCS), all DIP package.

✔️74HCxx Series Low-Power Schottky Logic ICs Assorted Kit.

【Wide measuring range】Voltage: AC 80~300V, Current: 0~100A, with high accuracy of 1% ± 2 digits.

【precise CT】KETOTEK voltmeter equipped with 1 precise current transformer. No need to buy another CT.

【Dual color display】Voltage and current can be displayed with different color on the LED screen, red for voltage, green for current. It is clear and convenient to read.

Operating voltage: 0 to 32VDC, No-load current: 2mA(for power indicator LED). Input port: maximum input current 40A, fuse 40A. Output port: 8 output ports, fuse 30A*2, 20A*2, 10A*2, 5A*1, 3A*1.

With power indicator LED. High-quality fuse holder, you can very easy to replace fuse from the outside, ATC/ATO auto fuses are easy to get and are available in 10 values from 1 to 40A.

Enclosure: High quality aluminum enclosure,thickness 1.5mm/0.06".

Test range: Voltage: DC 6.5~100V; Current: 0~100A; Power: 0~10kW; Energy: 0~9999kWh

Store energy data when power off (can be reset to 0). The blue backlight can be turned on/off manually

With overload alarm function (If active power is larger than threshold, backlight and power value will flash)

2-in-1 current voltage meter, real time monitoring battery of vehicles, remind you of charge or replacement in time, better avoid emergent dead battery at starting car engine!

High temperature resistant,Made of Eco-friendly & flame retardant durable ABS plastic and good conductivity pins with black matte surface treatment, wear and tear resistant for long lasting durability,CE Certification.NOT WATERPROOF

Manual:This is the only 2-in-1 current voltage meter that didn't come with Installation Notes,but We show the wiring diagram in the product picture.And is very easy to Install.Require external power supply; with reversed connection protection

100% Brand new and high quality

Used to measure the voltage of automobile power.Measurement range is 8~16V.

Numbers and pointer clearly show the voltage.Orange light on the dial for easy reading in the darkness.

Material: Bass + Plastic + Aluminum + PVC; R134A & R22 R410A Manifold Gauge Set A/C;

Tester gas Service Diagnostic AC Gauges; AC A/C Manifold Gauge Set; Aluminum housing;

Blue Gauge (low): 0-550 PSI ; Red Gauge (high): 0-750 PSI ; Burst pressure: 4000PSI ; Max working pressure: 800PSI ; Fahrenheit degree unit with easy to read instrument panel.

With small size(48 x 29 x 21mm ),wide measuring range(DC 0-100V; 0-10A) and high accuracy(1% (± 1 digit)).

Display voltage and current simultaneously in different colors, red for voltage, blue for current.(the current is measured in the negative rail).

Require external power supply;With reversed connection protection.

7-IN-1 MULTIMETER --- measure and display voltage (0-90V), current (0-100A), power, battery capacity, amp-hour, watt-hour and time simultaneously.

APPLICATION --- can be used as battery charge-discharge tester meter for automobile and car battery; as battery capacity monitor for photovoltaic system; as voltage meter, current meter, power meter, etc.

BIDIRECTIONAL AMMETER --- the multimeter can detect current in dual direction without changing the wiring direction when used for monitoring charging and discharging.

Multifunctional Meter ---- DROK multimeter panel measures percentage and AH of remaining battery capacity, DC positive and negative bidirectional current, DC voltage, DC power and DC accumulated electric energy. Voltage measurement range is DC 0-300V, current measurement range is 0-200A.

Hall Sensor & Easy Mount ---- The voltage amperage meter is equipped with a Hall transformer for isolated measurement, which is more reliable and safer. Both two-wire and three-wire connection are available, two wires for testing 5-90V, three wires for monitoring 0-300V. Much more convenient with the long 2.5m shielded wire.

STN LCD Screen ---- The backlight of this battery capacity monitor can be controlled to be ON or OFF at user’s need; Equipped with full view STN LCD screen, users could see the display clearly whenever at night and day, indoor or outside, even under the sunshine.

❥【CHARACTERISTIC】1 Display Voltage and current simultaneously in different colors, red for Voltage, Blue for current (the current is Measured in the negative rail). 2 Require external power supply; with reversed connection protection. 3 Ground wire of testing end and power supply terminal is the same wire; quick refresh of about 500 MS/time. 4 With built-in shunt, has Voltage and current calibration potentiometers.

❥【WITH MINI SIZED】48 x 29 x 21 mm, wide measuring range(dc 0-100v; 0-10A) and high accuracy percent (± 1 digit).

❥【WIDE APPLICATION】 Eiechip dc voltmeter ammeter has handy connection and wide application, for example, it can be applied to monitoring storage battery, DC adjustable power supply, or voltage and current changing state of other device.

PROFESSIONAL SMOOTH FADE IN / FADE OUT EFFECT: No more abrupt turn on / turn off of your lights. Instead, they slowly increase in brightness when you turn them on, and slowly decrease in brightness when you turn them off.

CHOOSE FROM 13 SPEEDS: From slow to fast, you can choose from 13 different speeds. Simply press the "Speed" button on the dimmer to cycle the fading speeds. The LEDs will flash once to confirm the speed change.

POWER UP TO 2 AMPS: At 12 volts, you can power up to 2 amps of LEDs. An inline fuse is included for circuit overload protection. Input voltage: 12-24V. Output voltage: 12-24V.

2-in-1 current voltage meter, real time monitoring battery of vehicles, remind you of charge or replacement in time, better avoid emergent dead battery at starting car engine!

High temperature resistant,Made of flame retardant durable ABS plastic and good conductivity pins with black matte surface treatment, wear and tear resistant for long lasting durability,NOT WATERPROOF

Manual:This is the only 2-in-1 current voltage meter that didn't come with Installation Notes,but We show the wiring diagram in the product picture.And is very easy to Install.Require external power supply; with reversed connection protection

Practical split type design: the green terminal is connected to the device CT, the red and black wires are connected to measure the voltage, please do not connect incorrectly

Parameters information: current range is 0-200A; Voltage measurement error: 1% ± 2 words, the multimeter can clearly display voltage and current at the same time, red for voltage, green for current

Adopting advanced technology: using first-class SMT technology, 0.39 inch two-color highlight display; 200A measurement range is 0-200A, inner hole of transformer around 24 mm

2-in-1 current voltage meter, real time monitoring battery of vehicles, remind you of charge or replacement in time, better avoid emergent dead battery at starting car engine!

High temperature resistant,Made of flame retardant durable ABS plastic and good conductivity pins with black matte surface treatment, wear and tear resistant for long lasting durability,NOT WATERPROOF

Manual:This is the only 2-in-1 current voltage meter that didn't come with Installation Notes,but We show the wiring diagram in the product picture.And is very easy to Install.Require external power supply; with reversed connection protection

Analog Amp Panel Meter Current Ammeter DC 0-100A+Shunt

Scale Range : DC 100A

Overall Depth(Screw not Included): 3.5cm/ 1.4 inch

[Main Parameter] - Model: 85C1A; Measurement Range: 0-10A, Accuracy of Class: 2.5

[Material] - Transparent plastic shell is convenient for you to read scale quickly

[Size]- Meter Panel(Approx): 2.48x2.24x2.17" / 63x57x55mm(L*W*T)

Digital voltmeter ammeter measure voltage DC 4.5V-100V; Operating current 0-50A.

Dual meter panel display is 0.39'' crisp and bright LED screen displays voltage & current value.

Multimeter panel with voltage & current equipped with calibration potentiometer, if there have any error, you can calibrated by yourself.

[Main Parameter] - Model: 85C1; Measurement Range: 0-20mA, Accuracy of Class: 2.5

[Material] - Transparent plastic shell is convenient for you to read scale quickly

[Size]- Meter Panel(Approx): 2.52x2.24x2.2" / 64x57x56mm(L*W*T); Mount Size : 2 x 1.9 inch / 52 x 49 mm

Two-color digital display(red for voltage and blue for current),bright LED,easy to read.

Voltage measuring range: DC0-100V; Current measuring range: 0-100A(Decimal point move automatically)

Flexible power supply,can use both isolated and non isolated power supply for powering up the meter.

Measuring Current Range: DC 0-10V

Accuracy: Class 2.5

Total Height(Not Included Screw): 47mm/1.85"

COMPLETE AMPERAGE– Industrial quality LED light signal that give a visual indication of system status at a glance. Range: 0- 100 AMP. Available in red and green.

SMALL SIZE – Versatile and useful for different kinds of industrial installations. Can be used in mount panels, machines and consoles of textile equipment and operating rooms or distribution boxes for ships, airplanes or cities

LONG LIFE – A dustproof base makes sure you don’t have to worry about installation in a dusty environment. Industrial quality components contribute to a product that lasts longer, saving you money in the long term.

[Main Parameter] - Model: 85C1; Measurement Range: 0-1mA, Accuracy of Class: 2.5

[Material] - Transparent plastic shell is convenient for you to read scale quickly

[Size]- Meter Panel(Approx): 2.52x2.24x2.2" / 64x57x56mm(L*W*T); Mount Size : 2 x 1.9 inch / 52 x 49 mm