Photoelectric Smoke Alarm                                        
1) Material: HIPS plastic                                                                                       
2) Assembly no wiring, size: Dia.130xH37mm
3) Power supply:9V DC BLOCK battery( included)
4) Standby current: 8μA, Working current: 10mA
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) Test button:To verify the proper functioning of the detector                                                                              
9)Low voltage warning: Unit beeps every 40 seconds for 7 days (minimum) to indicate a need of battery replacement                                                                                         
10)Certificates: EN14604, CE and RoHS                                               
11)Smoke sensitivity:2.26±1.21%FT Obscuration          
12)3 year quality guarantee