This wireless doorbell adopts advanced wireless receiving technology; powerful microcomputer control system, large-capacity high-quality voice processing technology, 57 different music melody optional, stable and reliable performance. Doorbell host and button can also be compatible with other wireless transmitter. Suitable for Villas, clubs, leisure centers, hotels, guesthouses, house, office buildings, meeting rooms and other occasions.

Features:

5 levels of adjustable volume(including mute).

57 ring tones optional.

Memory function to retain setting when receiver is unplugged or power off.

Different tones can be set to different transmitter buttons.

Each doorbell receiver works with up to 20 transmitter buttons at most.

Receiver Size: 3.7*2.7 in / 9.7*6.8 cm

Bell Size:2.6*1.3 in / 6.48*3.3 cm