Lloytron B7505WH 32 Melody Mains Plug-in Wireless Door Chime with MiPs White
MiP System - This product can be programmed to add other MiP door chime and bell push modules.
Up to 4 transmitter and 4 receiver
MiPs modules can be programmed at once .
Plugs into any standard UK wall socket
Choice of 32 melodies Variable vo