Wireless Self-Powered Doorbell, No Batteries Required, Range Up to 200m, 38 Ringtones, 3 Volume Levels, Easy Installation (White)

Self-Powered Wireless Doorbell: No batteries, no wiring required; no batteries; easy to install and very environmentally friendly.Long range: The maximum range can reach 200 meters in an open space without obstacles, and the effective distance of 3 volume levels allows you to hear the doorbell and answer the door in time.This wireless, battery-free doorbell has 38 different ringtones and 3 adjustable levels to meet your needs.Easy to install and use: The transmitter has two installation methods. Use the included tape or screws to attach the transmitter to the door frame. And insert the doorbell receiver into the socket to start.Package includes: 1 transmitter, 1 receiver, 1 double-sided tape, 2 screws, 1 installation guide.