Description
Ef series are photoelectric smoke alarms, they are generally more effective at detecting smoldering fires which smolder for hours before bursting into flame. Sources of these fires may include
cigaretters burning in couches or bedding.
Technical datas
Battery: dc9v (not included)
Alarm sound: >=85db (3m)
Static current: <0. 012ma
Alarm current: 70ma
Low voltage alarm: 5. 5v~6. 2v
Work temperature: -5~ + 40centigrade degree
Working humidity: <=93% rh
Low battery alert remain: 7-15 days
Description
Ef series are photoelectric smoke alarms, they are generally more effective at detectin