Twin Wireless Doorbell Kit comes with an AC Socket that won't take up your plug; the self-generating transmitter automatically generates power when pressed and sends a steady signal to the receiver.
60 CHIMES & 5 VOLUME LEVELS
This unit lets you choose the best way to be notified when someone is at your door. In addition to your choice of 60 selectable chime tunes. You'll be happy to know that you have the option of turning the chime down or up - a great option for different environment.
IP65 WATERPROOF PUSH BUTTON
This IP65 Rated transmitter with waterproof ring seal operates between -10°C (14°F ) to 50°C (122°F ) and withstands various adverse weather conditions. No worry to install it anywhere inside or on the outside of your door frame or in the garden.