Hot Sale - Self-powered wireless doorbell, 200m range, 38 ringtones, 3 volume levels, easy installation, from

The battery-free wireless doorbell is available with 38 ringtones and 3 continuously adjustable volume levels. The transmitter (doorbell button) requires no batteries or electrical connection. It attaches to the door with the included screws or adhesive tape. The receiver simply plugs into a standard outlet. Various uses are possible, ensuring no visitor misses it and they can even hear the doorbell on the back patio or in the garden.