Wirefree Door Chime

A simple and quick to install wireless door chime unit. Simply attach the supplied bellpush to your door with no wiring and no damage to your door. The wireless door chime simply plugs into a free mains socket in your home and provides a mains socket through for convenience. Battery Life 1-3 Years Battery A23 12V (Supplied) Frequency 433.92MHz Range 25m (free air) - 12-15m Average Site Code 8 Bit - 256 Combinations