ASIC control
Manual test, auto-reset
Low power indication
Infrared photoelectric sensor
Sound & flash alarm
Thin structure design
Strong adaptability to circumstance
SMT adopted
Dustproof, mothproof and anti-white light

Technical specification:

Operating voltage: DC9V (power by battery)
Standby current: less than10uA
Alarm current: less than 20mA
Operating temp.: -10 to +50 degrees
Working humidity: less than 95%RH
Alarm mode: sound & flash alarm
Alarm volume: more than 85dB/m
Detecting area: 20 square meter
Sensitivity: class I
Dimension: 131mm dia.*45mm deep