Photoelectric Smoke Alarm
1) Material: ABS plastic
2) Assembly no wiring, size: Dia.104xH35mm
3) Power supply:9V carbon zinc battery/PP3(battery included)
4) Standby current: 8μA, Alarm current: 16mA
5) Environment temperature: -10°C ~ +50°C
6) Environment humidity: 0 to 95%(40±2°C)
7) Alarm decibel: louder than 85dB at 10feet(3 meters)
8) Tamper Resist locking pin
9) Test button:To verify the proper functioning of the detector
10)Low voltage warning: Unit beeps every 40 seconds for 7 days (minimum) to indicate a need of battery replacement
11)Smoke sensitivity:0.086 dB/m to 0.140 dB/m
12)CE, ROHS, EN 14604
13)5 years quality guarantee 
miles at peasway.com