Bell4U Doorbell wireless - batteries are not required - 4 receivers & 2 push buttons - black

(This text is machine translated) This completely wireless doorbell set is very easy to install in a few minutes. You save costs and the environment, because the kinetic bell set does not require batteries. The receivers light up when the doorbell rings. You can choose from no less than 51 melodies and 4 volume settings.Features You can plug the receivers into the socket wherever you wish The push buttons generate kinetic energy when pressed, so batteries are not required Assembled in 5 minutes with Dutch manual no separate melody can be set per bell push The set is supplied with screws and double-sided tape The doorbell is wireless and can bridge a distance of at least 70 meters LEDs on the bell/receivers also light up when the doorbell rings The bell pushes are waterproof Each set has a unique code, so that sets do not cause interference with each other Very energy efficient, less than 1 kWh per year The sets can be expanded if desired Choice of 51 melodies from the standard gong to Christmas and birthda...