Alfawise 433MHz Carbon Monoxide Sensor for Alfawise PG - 105 Security Alarm System

Main Features:
● A part of Alfawise PG - 105 security alarm system
Sensitive carbon monoxide detection, instantly emit an alarm when smoke is detected
Sound alarm and App alarm ( need 433mHz gateway ), check the home security situation anywhere
Universal 433mHz frequency, can be matched with almost all home security gateways
● 75dB alarm sound, will not scare the elderly and children
● 1 year battery life, no need to change batteries frequently

Specifications:
Transmission frequency: 315 / 433mHz
Carbon monoxide sensitivity: 300PPM 3 minute alarm;
Carbon monoxide sensitivity: 100PPM, 10 - 40 minutes alarm;
Carbon monoxide sensitivity: 50PPM, 60 - 90 minutes alarm. 
Low voltage alarm: 6.8V
Battery: carbon battery 9V 550mAh 6F22, shipped with 1 battery
Alarm sound: 75dB
Battery life: 1 year

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