Sensor Doorbell
Detailed Product Description
Sensor Doorbell
It is recommended that adequate use of light, when the voice weak, please replace the battery in time.
Input: DC 4.5V
Detecting distance:5-10m
Volum:75dB
It is recommended that adequate use of light, when the voice weak, please replace the battery in time.
Input: DC 4.5V
Detecting distance:5-10m
Volum:75dB