Type: Motion Sensor Doorbell
Material: ABS
Applied for: Office, Hotel, Restaurant, Shopping Mall, KTV, Sport Center
PIR Sensor: 4.5V (3 AAA batteries)
Power Supply: AC 240V, USB charging
PIR Sensor: Battery, USB charging
Function: 38 Chime Tunes,Volume Adjustment, Sound and Silence Adjustment
Working Range: Up to 70m
Sensing Angle: 100-120 Degree
Infrared Sensing Distance: 3-7m
