Sound & flash alarm
anti white light interference;
Alarm volume: more than 85dB/m.
Quiescent Current: ≤ 10uA
Alarm current: ≤ 20mA
Alarm indication: red LED
Alarm sound pressure: ≥ 85dB / m
Operating temperature: ≤ 95% RH (no condensation)
Monitoring area:20 m2
including bracket
9V battery
test manually,auto reset
Usage: home,office,hotel,commercial area,etc