Carbon Monoxide Detector Alarm 85dB Warning Siren Pack of 3

A perfect item for protecting your family from the dangers of carbon monoxide
Advanced level of protection, easy to read with the digital display

CO Detecter Features:
Within 60~90 minutes at 50ppm CO concentration
Within 10~40 minutes at 100ppm CO concentration
Within 3 minutes at 300ppm CO concentration

Standby Mode: Green Led flashes once every 30 seconds
Alarm Mode : Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat,
Low-battery Indicator Alarm: Chirp every 30s as battery lower than 3.3V with green LED flashing and Lb on LCD
Mal-function Indicator: Chirp every 30s with green LED out and Err on LCD
LCD Display (optional): 4 digits LCD
Audibility: 85dB ( at 3m distance ), Frequency 3 – 0.5KHZ
Standby Current: <80 A
Alarm Current: <80mA
Voltage:DC 4.5V
Power consumption: 0.3mW
Size: 10 x 4cm
Powered By: 3 x AA Batteries(included) We recommend that you purchase higher quality batteries for this product

What’s in the box
3 x Carbon Monoxide Alarm