Mercury SD102P Smoke Alarm for Home Photoelectric Battery Smoke Alarm Smoke Detector with Large Hush/Test Button, Supplied with Battery And Fixing

This unit detects initial smoke formation with its sensitive photoelectric system and signal processing circuit giving an alarm signal as an early warning. Photoelectric alarms are less likely to trigger a false alarm from Kitchen or bathroom steam than traditional ionization alarms. This model also has a hush feature to reduce the unit's sensitivity for a ten minute period when needed. Audible and visual alarm (red flashes)Large test/hush button for ease of useHush feature which reduces the alarms sensitivity for a 10 minute periodLow battery indicationBattery and fixing screws suppliedConforms to EN14604:2005 AC/2008 Battery1 x 9V PP3 (supplied)Alarm output85dB @ 3mOperating temperature-10 to 40°CStatic working current<12µAMounting hole centres70mmDimensions34 x 101mmØWeight136g (with battery)