Sensitive photoelectric sensor detects smoke, even prior to the onset of dangerous flames and heat; loud 85-decibel fire alarm tone provides warning to escape
• Enhanced performance and earlier hazard warning compared to most non-photoelectric sensor devices
• Test/reset button for simple testing; unit automatically resets following dispersal of smoke hazard; blinking LED indicates ready mode
• Replaceable alkaline battery of this smoke alarm boasts a lifetime of up to 3 years in the standby condition
• Comes with a mounting bracket, 2 screws and 2 anchor plugs, and can be easily installed in houses, apartments, mobile homes and dormitory rooms


Specifications

Power supply: DC 9V battery(replace in 3 years) Standby current: <12μA Alarm current: <10mA Alarm sound: >85dB (3m) Sensor type: Photoelectric Battery life after low battery warning: >30days Temperature range: 0°C ~ 49°C (32°F ~ 120°F) Humidity: 10%~90%RH (No icing or condensation) Dimension: Φ95x41mm Detecting area: 80m at 6 -12m installation height; 60m at installation height < 6m.