Timbre inalámbrico para puerta principal sin batería - 38 tonos de llamada - 4 niveles de volumen - Negro - 1v1

Battery-Free: This wireless doorbell is self-powered. This means that after pressing the transmitter, it automatically generates electricity and sends a stable signal to the receiver. This is both environmentally friendly and cost-effective. You'll never have to worry about damaging your walls or doorbell when changing batteries again! Wireless doorbell, no thermometer included. Our wireless doorbells are suitable for homes, apartments, schools, villas, offices, and more. Multiple Ringtones and Volumes: Choose from 38 different ringtones, from classical music to familiar melodies. Four adjustable volume levels, from 0 dB to 85 dB. Wireless Range Over 100 Meters: Wireless transmission is unaffected by interference from other devices in the vicinity. You won't miss any visitors, even if you're in different rooms or on different floors. Easy Installation: Simply plug the doorbell receiver into a power outlet and use the included accessories to mount the doorbell button to the wall.