this is photoelectric smoke alarms series work by 9V battery, work time 12 months of 1pc 9v battery. they are install are easy

We supply more models of smoke alarms work by 9v battery, it will alarm and LED lighting when it detect smoke in the home. working time 12 months of 1 battery

1.Unit Size:Φ107X44mm
2.Working Current:
   1-Static Current: ≤10μA
   2-Alarm Current: ≤12mA
3.Operation Voltage: DC 9V Battery
4.Alarm Sound: ≥85dB(3m)
5.Ambient Temperature: -10°C~+60°C
6.Ambient Humidity: ≤95%RH
7.Sensor: photoelectric

8. Low Battery Alert Remain: 7-15 days
9.Certificate: CE & RoHS  

OEM & ODM are welcome...

Kindly please contact with Sales manager Bobby to get Quote list and CE copy