General description The White Wireless Doorbell offers a reliable and convenient solution for your home entry notification needs. With an impressive wireless range of 400m (1312ft), this doorbell ensures you won't miss any visitors, even from a distance. It features three plug-in receivers and a selection of 52 melodies, allowing you to customize your doorbell sound to suit your preference. Technical specifications Wireless range: 400m (1312ft) Volume levels: 5 adjustable levels, maximum volume of 115dB Melodies: 52 ringtones available Battery: CR2032 lithium battery with a service life of 3 years Operating temperature: -20°C to 60°C Water resistance: IP55 rated Installation The installation of the wireless doorbell is straightforward and requires no wiring. Simply attach the doorbell button to the wall using the included screws, wall plugs, and double-sided tape. The plug-in receivers can be easily connected by plugging them into a socket. Usage To select your preferred melody, use