products introduction
：
Door protection: - door bell function: on the condition of CHIME, when the owners be in or out, it will have the DINGDON greeting voice.
- alarm function, on the condition of ALARM, when the intruder is in the detecting area, it will have huge voice to frighten them.
DATA: -
Detecting distance: within 5 M -
Operating Temperature: -20°C to +40°C; -
Installation Method: wall mounted; -
Wall mounting bracket included; -
Installation Height;2-2.2M -
Detecting Angle; horizontal:110° , vertical: 60° -
Battery Life Time; about one year |
|
Product 
