The transmitter is built with a solar panel inside. It can be used for 12 months after a full charge of 8 hours. No hassle of changing batteries, which is environmentally friendly and saves energy

Wireless range up to 300 m (980 feet) in open space, 52 ringtones, IP65 waterproof, 4 levels of adjustable volume from 25db-110db, easy to install and works normally under temperatures from -22 to 158 Fahrenheit (-30 to 70 Celsius)

There is a night light at the bottom of the receiver, the light does not affect your sleep, but can provide illumination at night

Wireless doorbell set 4 levels of adjustable volume including silent mode for different moods and situations. With music memory function, you don't need to reset it when you unplug it. Convenient and easy to use to improve user experience

color: White

Material: ABS

Size: Doorbell receiver: 8.5*8.5*2.5cm Doorbell transmitter: 9*3.5*1.5cm

Plug type: EU plug, it applies to Indonesia, Germany, France, Spain, Italy and so on.

Package contents:

1 * doorbell receiver

1 * doorbell transmitter

2 * screw

1 * double-sided tape

1 * card

Only the above package content, other products are not included.

Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.