Best Sdi Solo 851 in 2026

Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide

85-decibel alarm & LED warning indicators alert you to various status: green = normal operation, amber = operating error, and red = smoke, fire or carbon monoxide event

Battery operated to provide reliable detection, even during power outages; two AA batteries included

UL Certified with a 10-year limited warranty on alarm

Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected

Simple to use, with a single test/silence button, and side load battery compartment; Tamper resistant locking brackets and universal mounting brackets make installation easy

Rigorously tested to meet UL standards. Emits T3 pattern

Keep your family safe with this 6 pack of hardwired smoke alarms; the battery backup means constant monitoring, even if there's a power failure

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. easy-to-access battery drawer that allows you to replace the battery without dismounting the alarm

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide

85-decibel alarm & LED warning indicators alert you to various status: green = normal operation, amber = operating error, and red = smoke, fire or carbon monoxide event

Battery operated to provide reliable detection, even during power outages; two AA batteries included

UL Certified with a 10-year limited warranty on alarm

Can connect to other compatible BRK or first alert smoke detectors, to ensure all alarms will sound when smoke is detected

Simple to use, with a single test/silence button, and side load battery compartment tamper resistant locking brackets and universal mounting brackets make installation easy

Rigorously tested to meet UL standards120 volt AC power with 9V battery backup to keep alarm functioning during power outage

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

Loud 85 decibel siren sounds to alert you to danger

To ensure complete protection make sure to place one on each level of your home and in each bedroom

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert brand trust survey in February 2018)

Tamper resistant alarm also features a single test/silence button, side battery door, and missing battery guard

To ensure complete protection make sure to place one on each level of your home and in each bedroom

It can ship within the US except New York

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

Green LED indicates power to the smoke detector

An 85-decibel alarm sounds & a red LED indicates the smoke detector is sensing smoke or fire

Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam

UL Certified, 10-year limited manufacturer warranty

To ensure complete protection make sure to place one on each level of your home and in each bedroom

Meets UL217 standards and complies with legislative requirements for 10 year battery operated smoke alarms

Equipped with a dual photoelectric and ionization smoke sensor to quickly detect both fast burning and smoldering fires

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

Operating Temperature: -40° F to +158° F

Loud 85 dB Alarm

Dimensions: 6 3/8” W x 2 7/8” H x 1” D

Test/Silence Button: The single push of a button will either test or silence all units in the system

Full Home Coverage: Link up to 24 Link+ wireless smoke alarms, CO alarms, and combination alarms for maximum home protection

Easy to Install: This smoke and CO detector is easy to mount onto any wall or ceiling using the included accessories

Whole home family protection - place 1 fire alarm on each level of your home & in your bedroom; maximum of 24 Kidde devices can be interconnected

UL Listed, 10-year limited warranty

Package contains 6 Kidde smoke detectors

Test-Hush Button - it’s simple to test or hush false alarms by pressing the button right on the face of the device

UL Certified, 10-year limited warranty

Whole-home interconnection — maximum of 24 Kidde devices of this type can be interconnected; when one alarm sounds, they all do

Hush button — quickly and easily silence false or “nuisance” alarms from things like routine cooking or shower steam

UL Listed, 10-year limited warranty

Product 1: To ensure complete protection make sure to place 1 on each level of your home and in each bedroom

Product 2: Help keep your family safe with this battery powered smoke alarm featuring an ionization sensor for smoke detection; a loud 85 decibel alarm sounds when smoke levels are elevated

Product 2: Ionization sensor is effective in recognizing smoke from flaming fires such as paper and grease fires

Product 2: Battery operated alarm unit provides continuous monitoring even if there's a power failure; Plus, it's easy to install

Product 2: Tamper resistant alarm also features a single test/silence button, side battery door, and missing battery guard

Meets Rvia or Nfpa Requirements And Is Listed To Ul 1484 Rv And Ul 2034 Rv

Built-In 10-Year Battery: Features a built-in 10-year lithium battery, so you’ll never need to worry about replacing batteries during the lifetime of the unit

Informative LCD: Displays real-time CO levels from 30–999 ppm (parts per million) taken from the surrounding air, as well as battery level and working status

Test/Hush Button – It’s simple to test or hush false alarms by pressing the button right on the face of the device

Whole building detection – multi-pack for easily installing 1 fire detector on each level of the home & in each bedroom

UL Certified, 10-year limited warranty

Package contains 6 Kidde smoke detectors

Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected

Simple to use, with a single test/silence button, and side-load battery compartment; tamper-resistant locking brackets and universal mounting brackets make installation easy.Emits T3 Pattern

Rigorously tested to meet UL standards ; 120-volt hardwired smoke alarm wires directly into your home’s electrical system

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam

Interconnection capability: allows you to connect up to 24 Kidde smoke, heat, or CO alarms, with the possibly it interconnect 6 strobe lights or relay modules

The unit will chirp at the end of the alarm life, indicating that the alarm is in need of replacement

UL Certified, 10-year limited manufacturer warranty

Easy Installation: The smoke alarm takes advantage of simple, stable, and wireless installation with the provided screws, or quick and easy installation via Ø 2.8 in magnetic adhesive pads (not included)

Premium Quality: Made with an upgraded premium ABS plastic housing, this alarm is fire-retardant, high temperature resistant, and corrosion resistant; backed by a 60-day money-back guarantee and an after-sales service team to help you resolve any quality issues within 5 years

Intuitive latching alarm indicator identifies which unit triggered alarm. Backed by 10 year limited warranty and tested to meet UL 217 standards

85 decibel alarm

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

Interconnectable - Connect up to 24 devices (of which 18 can be initiating) including smoke, CO and heat alarms. See user’s guide for complete instructions.

Battery backup - 9v battery backup (included).

Hush feature temporarily silences nuisance alarms

One touch test button tests unit's electronic circuitry

Battery backup 9V battery included

Tamper resist locking pin helps deter alarm tampering and theft

Kidde smoke alarms meet the UL requirements

Ionization sensing technology - battery-powered smoke detector senses invisible fire particles and sounds an 85 decibel alarm

Test/Hush Feature - silences the unit for approximately 7 minutes

UL Certified, 3-year limited warranty

Interconnectable with other hardwired alarms, providing whole-home alarm activation – when one detects smoke, they all sound, alerting everyone in the house

UL Certified, 10-year limited warranty

Alarm also features loud 85-decibel alarm, easy mounting bracket, a single test/silence button, and an end-of-life signal so you know when to replace the unit

To ensure complete protection make sure to place one on each level of your home and in each bedroom. Same features as SA340CN and SA340B but adds Sealed Battery Technology. Sensor Type: Ionization

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

No Battery Changes for the Life of the Alarm; 3V Lithium Power Cell Included

Ionization Sensor

Perfect Mount allows for easy alignment of alarm

10-year limited warranty

No Battery Changes for the Life of the Alarm; 3V Lithium Power Cell Included

Ionization Sensor

Perfect Mount allows for easy alignment of alarm

10-year limited warranty

Auto-Check Function: Constantly monitors itself and quickly warns you of low battery or faults

Worry-Free After-Sales Services: All X-Sense smoke detectors come with a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support; easy-to-follow instructions are included for convenience; feel free to contact us if you have any questions

An 85-decibel alarm sounds & a red LED indicates the smoke detector is sensing smoke or fire

Tamper-resistant technology deters removal of the unit or battery

Replacement Alert indicates when the smoke alarm needs to be replaced

Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam

UL Certified, 10-year limited manufacturer warranty

Uses ionization sensing technology to detect smoke from flaming fires and emits a loud 85 decibel alarm when fire particles are detected

UL Certified, 3-year limited warranty

Battery operated 9V battery included

Test button tests unit's electronic circuitry horn and battery function

Four inch diameter discreet design

Easy installation

Meets the UL requirements and widely-accepted safety standards

Flame-Retardant Material: The housing of the wireless interconnected smoke detector is made of flame-retardant and high-temperature resistant ABS material, ensuring the durability and stable operation of the device

85 dB Alarm: When one fire alarm is triggered, all units will emit a loud 85 dB alarm, which can wake even the heaviest sleepers