Please kindly noticed that the smoke as well as fire consist of Carbon Monoxide as well as this product will offer you the alarm when the Carbon Monoxide thickness up to the least expensive sensing unit amount. Thanks!
Sensor: Electrochemical Carbon Monoxide sensing unit.
Alarm system Style: created according to UL2034/EN50291
Sensitivity/Alarm Time: Within 60 ~ 90 minutes at 50ppm Carbon Monoxide concentration; Within 10 ~ 40 minutes at 100ppm Carbon Monoxide concentration; Within 3 minutes at 300ppm Carbon Monoxide concentration
LCD Displayer (optional): 4 numbers LCD displayer.
Audibility: 85dB (at 1m distance ), Frequency 3 - 0.5 KHZ.
Standby Current: 50mA.
Alarm system Current: 50mA.
Standby Mode: Green Led blinks when every 30 seconds.
Alarm system Mode: Red Led promptly blinks 4 times with system tweeting every 5 seconds, then repeat.
Low-bat Indicator: Chirp every 30s as electric battery much lower than 3.3 V with green LED flashing as well as Pound on LCD.
Mal-function Indicator: Chirp every 30s with green LED out as well as Err on LCD.
Power usage: 0.3 mW.
Dimension: 10 x 10 x 3.5 cm.
Powered By: 3 x AA Batteries (Not consisted of).
1, ceiling installation
2, wall surface install (from the roofing system regarding 30CM).
This item is to detect carbon monoxide gas (such as coal briquettes, coal oven, coal residue), could not detect gas, melted petroleum gas, city gas pipe.
1xCarbon Monoxide Detector.
2 x Screws.
1 x English User Manual.
Test/reset button to verify proper unit operation and reset the unit during CO alarm.
Protect your family against the danger of carbon monoxide.
Battery-powered and built-in carbon monoxide sensor makes it safe to use.
Low voltage warning and end-of-life timer. The smoke and fire contain CO and it will give you the alarm when the CO density up to the lowest sensor amount.
Green and red LED lights that indicate normal operation and alarm status.