Fit this weather-resistant bell-push near your front door and the chiming unit rings and flashes up to 150 metres away you can even take it with you into the garden! Select your favourite chime (from 8) and colour (red, blue or green) with a steady or flashing option. Place the chiming unit on a wall using adhesive pads or wall fixings (both included) or leave it free-standing. Bell-push, H8.3 xW3cm, requires 1x CR2032 battery (not supplied). Chime, L11.7 xW11.7cm. Requires 4x AA batteries (not supplied). 8 doorbell chimes 3 light-up colours