Working Voltage:DC3V lithium battery(CR 123A) Product life:10 years Standby current:<10uA Alarm current:<60mA Working temprature :-10C~+50C Relative Humidity:≤95%RH Wireless frequency: 433.92/868 Mhz GFSK Low voltage threshold: 2.7V RF Distance : >200m (open area) Alarm mode : LED & Buzzer Big test button OR remote for easy Recommended monthly testing and hush Alarm sound :>85dB Gross weight: 0.14KG Product size : Φ110mm×H42mm
Product performance description
RF433mhz Wireless Interconnected 20pieces in one group One go all go wireless interlinked Compatible with wireless heat alarm, co alarm, remote controller DC3Volt Lithium battery 10 years long time protection Big button for test and hush monthly Easy for weekly testing and silence the smoke alarm Create a safety network in your house
Long time protection Long battery life Premium Quality CE EN14604/AS3786/ROSH listed
Audited Supplier 
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