It has a special design and beautiful appearance.
The function of volume adjustment: There are three kinds of volume (high, middle, low) for choice
Simple operation, you can put it anywhere you want.
Infrared sensor detects motion and sends a signal to the receiver.
Suitable for floor houses, offices, factories, hotels, etc.
Wireless installation, just place the sensor at the entrance.
Send audible chime sound, alerting you that somebody is approaching.
Type: Wireless Doorbell
Electric plug: EU plug, US plug(optional)
Power Source: AC,Battery
Receiver operating voltage: 110-240V
Transmitter operating voltage: 4.5V(3 * AAA battery, not included)
Working range: 70m
Transmitter sensing distance: 3-7m
Ring Tone: 38 Ring Tones
Combining form: 1 to 1, 1 to 2(optional)
Package weight: 160g / 5.64ounce
Package size: 0.1 * 0.088 * 0.085m / 3.93 * 3.46 * 3.34inch
Note: The battery is not included.
1 * Outdoor Transmitter
1 * Indoor Receiver
1 * User manual