Self Powered Wireless Doorbell Long Range Waterproof Home

1 36 Chords Switching: Let you have different exclusive ringtones, make life more fun. Four levels of volume adjustment, so you can hear it in the living room kitchen bedroom or backyard. 2 Self Powered Doorbell: When you press the doorbell button, the kinetic energy of your finger is converted into electricity, no wiring and no batteries are required. 3 Silent Mode: Intimate silent design, avoid being disturbed at night when your family or baby is sleeping, so you can have a comfortable nap and sleep. 4 Long Range Doorbell: 433MHz RF signal, wireless doorbell signal penetration, can penetrate thick walls, the use of distance depends on the actual use of the environment. 5 Wireless Doorbell: First stick the adhesive on the back of the transmitter, and then tear; choose the location and stick it; plug in the receiver, the light is on and can be used normally.

What's in the box
1 x Wireless Doorbell Set