Hassle-Free Installation: This battery wireless doorbell ringer requires no additional wires or tools, all you had to do was plug in the adapter to an outlet and adhere the transmitter to the wall via Double-sided tape or Screws-in. Each transmitter can be paired with up to 20 doorbell receivers.

Multifunctional Doorbell: The wireless doorbell can be installed on the front door of your apartment, house, villa, flat, office, or workshop to welcome your guests, it can also be used as a pager, which makes it suitable for children, nursery, or elderly care, and it also applies to teachers seeking helpful classroom organization and management.

Expandable: Wireless doorbell system can add more receivers or push buttons for increased coverage. Multiple doorbell chimes can be configured to ring with different door chimes or ringtones to let you know where is the visitor. This wireless outdoor doorbell also can be used with our door chime, driveway alarm, etc.