Best Brk 4120b Smoke Detector

Metamorph

Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there's smoke or CO in your home.
Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is.
Get phone alerts so you know something's wrong even when you're away from home[1].
CO detector looks out for carbon monoxide and tells you where it's located.
With App Silence you can silence the smoke alarm with your phone in the Nest app when there's only a little smoke.

Smoke detector with alert modes & LED lights that alert of smoke or fire.
Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.
Protects during a power failure - smoke detector operates on 3-AA alkaline batteries.
Test-Hush Feature - silences the unit for approximately 9 minutes.

Unique Voice Speaker - Unique smoke detector and CO detector alarms distinguish between smoke alarms and CO warnings. Co alarm: "Warning, carbon monoxide, evacuate! Smoke alarm: "Fire!" . Verbal warning system reduces confusion and helps people maintain order..
Reduced Cooking Nutrition Alert - This smoke and carbon monoxide detector uses photoelectric smoke sensing technology to quickly detect slow burns. It is suitable for many locations, especially in cooking areas, to reduce false alarms of cooking smoke..
Not Disturb Mode - With SITERWELL fire and CO detectors, you don't have to worry about your rest. In low voltage or fault mode, simply press the button and the alarm clock will go into non-disruptive mode, avoiding nighttime alarms and frequent flashes, and you can enjoy approximately 10 hours of silence..
Self Check Function - The smoke detector carbon monoxide detector combination replaces the manual daily test and automatically checks the batteries and sensors every 80 seconds to ensure they are working properly. You'll be alerted when a malfunction occurs..

2-in-1 DETECTION: Detect both smoke and carbon monoxide with the DAB-TEK Carbon Monoxide Smoke Detector Combo.
3 AA BATTERIES INCLUDED: No last-minute trips to the DIY store. This Smoke Alarm And Carbon Monoxide Detector comes with 3 long-life Batteries.
PHOTOELECTRIC SENSOR: Opt for a Photoelectric Smoke And Carbon Monoxide Detector and reduce the likelihood of a serious fire spreading in your home.
SAFETY FEATURES: With a built-in test button & low-battery warning, sleep soundly knowing your fire and carbon monoxide detector is operating at its best.
EASY INSTALLATION: Simply apply mount to ceiling using 2 screws (included) and rotate the carbon monoxide detector and smoke alarm into the mount.

Smoke detector carbon monoxide detector combo – sounds loud 85 decibel alarm with voice alerts that announce "Fire! Fire!" or "Warning! Carbon Monoxide!".
Hardwired with backup battery - combo smoke and carbon monoxide detector is hardwired into a 120V power source with 9V battery backup.
Easy installation – battery door is on the front for quick replacement.
Photoelectric smoke detector senses visible fire particles and electrochemical CO detector provides accurate readings.

Keep your family safe with this talking hardwired smoke and carbon monoxide alarm.
It's equipped with voice and location, so you are alerted of the....
Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 preprogrammed locations in your home.
Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by....
Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected.
Equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety.

2 in 1 smoke detector/carbon monoxide alarm, well used in the place of carbon monoxide gas leakage and fire place, well guarantee personal safety..
Understand the surrounding environment in real time - smoke detector and carbon monoxide detector Indicator lights on the face of the unit display the presence of smoke or carbon monoxide..
When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered..
Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive..
Battery operated device Can be easily installed and maintained without the need for an electrician..

Keep your family safe with this 3 pack of hardwired smoke alarms.
the battery backup means constant monitoring, even if there's a power failure.
Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm.
To ensure complete protection make sure to place one on each level of your home and in each bedroom.
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.
Faster turnarounds on job sites with the easy to install, most trusted alarms in home safety.
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).

120 volt hardwire smoke alarm with photoelectric sensor and battery backup.
Features convenient 9 volt battery backup, silence/test button, dust cover, 85 decibel alarm.
Inter connectable with BRK and first alert hardwired smoke and carbon monoxide alarms.
Intuitive latching alarm indicator identifies which unit triggered alarm. Backed by 10 year limited warranty and tested to meet UL 217 standards.