Independent Wireless 433MHz Smoke Sensor High Decibel Sound Alarm Fire Detector For WIFI GSM office home security Alarm System

Feature:

◎Power source:9V alkaline battery or carbon battery(without the battery to ship)

◎Static current:less than or equal to 10uA

◎Alarm current:no more than 30mA

◎Smoke sensitivity:level 2

◎Emission distance:no less than 100m(open distance)

◎Working temperature:-10℃ to +50℃

◎Relative humidity:95%RH

◎Alarm sound: >85dB

◎Support frequency:433MHZ 1527/2262 encoding

◎Reference standard:EN14604

◎Low voltage alarm:the battery is less than 7.5+/-0.3V transmitting

◎Wireless low voltage code,and the battery is holding

◎In the case of continuous low voltage,the wireless low voltage code is transmitted every 12 hours

◎Battery life:at least 1 year