Photoelectric Smoke Detector/Smoke Alarm

Features: 1) Alarm dimensions: 5.5 dia., 1.6 height 2) Working current: a) Static current: ≤10μA b) Alarm current: ≤12mA 3) Operating voltage: DC 9V 4) Audio alarm: 85dB at 10 feet 5) Temperature range: 14°F (-10°C) to147°F (60°C) 6) Humidity range: ≤95%RH (40±2°C) 7) Battery: 9V battery back-up for at least 1 year 8) Latching alarm indicator remembers which unit initiated an alarm 9) Smart sense system helps reduce unwanted alarms 10) Single button test/silence 11) Perfect mount system: gasketless base allows for easy installation and positioning 12) Dust cover keeps alarm clean during construction 13) Test button: electronically simulates smoke condition, causing the unit to alarm 14) Alarm reset: automatic when smoke clears. Press test/silence button to silence alarm manually 15) Sensor: photoelectric technology is more sensitive at detecting large particles which tend to be produced by smoking fires before bursting into flames Packing: gift box