Bell4U Wireless Doorbell with 4 Receivers - Plug & Play - Batteries are not required - IP55 Waterproof - White

(This text is machine translated) "Within a few minutes you will have a great doorbell"Features wireless doorbell: Plug the receivers into the socket wherever you wish The printer generates kinetic energy when pressed, so batteries are not required Mounted in 5 minutes with Dutch manual Very energy efficient, less than 1 kWh per year 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 is rung The bell push is waterproof Each set has a unique code, so that sets do not interfere with each other The sets can be expanded if desired Choice of 51 melodies from the standard gong to Christmas and birthday tunes Choice of 4 volume settings from a maximum of 95dB to a minimum of 0dB Installation and operation of a wireless doorbell You mount the printer simply on wood or plastic with the supplied tape. You mount the printer on walls with the supplied screws and plugs. Plug both receiv...