Carbon Monoxide Detector * On-top battery compartment * Alkaline battery 3years use * Shockproof design for vehicle use

Battery Operated Carbon Monoxide Detector HM-721EHS-BT

• Akaline battery operated, over 3 years usage)

• Battery compartment on top for easy battery replacement

• Tamper resistant pins for batteries

• Electrochemical carbon monoxide sensor

• Loud carbon monoxide alarm audio

• Ceiling or wall mounted• With quick fix mounting bracket for easy installation• MCU processing, Test & Hush button• Auto reset after carbon monoxide clears• Green LED flashes once every 30s to indicate normal battery supply• RED LED  flashing and buzzer sounding for alarm indication• Low  voltage compensation • Temperature compensation• Low battery warning• Dust-proof, mothproof Design• Shockproof design suitable for vehicle use• Anti white light interference• Anti RF Interference (20v/m -1GHz)

Carbon Monoxide Detector Technical Pramaters:

Operating Voltage	DC 3V (2pcs AA alkaline batteries)
Static Current	≤10uA
Alarm Current	≤25mA
Warm-up Time	3 minutes
Hush Time	10 minutes
CO Alarm Level	40ppm≤X≤75ppm, alarm after 75 minutes 75ppm≤X<200ppm,  alarm after25 minutes     200ppm≤X, alarm after 30-50s (sensor stabling time)< 40ppm,  alarm reset
Alarm Indication	Red LED
Failure Indication	Yellow LED
Sound Level	≥85dB/3m
Alarm Audio	DiDiDiDi...
Working Temperature	-10°c ~ +50°c
Humidity	≤ 95RH (No Congelation)
Installation Mode	Wall or ceiling mounted
Dimension	Φ110*45mm
Execute Criterion	EN50291, UL217, GB15322.5-233

Battery Operated Carbon Monoxide Detector HM-721EHS-BT