Features: 
Test by Hand 
Auto Reset 
Asic Adopted 
Anti-Light, Mothproof, Dustproof 
Strong Adaptability for Circumstance 

Specification: 
Rated voltage: 9VDC 
Static current: ≤20uA 
Alarm current: ≤15mA 
Working temperature: -10ºC~+50ºC 
Humidity: ≤95%RH 
Alarm mode: sound & flash 
Monitoring area: 20 square meter 
Size: 107*35mm 
Execute criterion:GB4715-1993