New Home Security Alarm LCD Photoelectric Independent CO Gas Sensor bicycle sunglasses Model Number:E741 E742 E743

Model Number:E741 E742 E743

Size Details:

Dimension(L*W*H):2

Seasons: Spring

Weight:Appro

New Home Security Alarm LCD Photoelectric Independent CO Gas Sensor bicycle sunglasses Model Number:E741 E742 E743Type: Carbon Monoxide Detectors Power: 3*AA battery (not included) Size: 100*100*35mm Color: White Sensitivity Alarm Time: Within 60~90 minutes at 50ppm CO concentration; Within 10~40 minutes at 100ppm CO concentration; Within 3 minutes at 300ppm CO concentration LCD Displayer (optional): 4 digits LCD displayer Audibility: 85dB ( at 1m distance ), Frequency 3 0. 5KHZ Standby Current: <50A Alarm Current: <50mA Standby Mode: Green Led flashes once every