This highly versatile, completely wireless digital doorbell kit can be fitted in just minutes, without the need for any wiring work or expensive electrician bill. Complete with one chime & two bell pushes, simply attach a bell push to both your front & back door & then place the chime anywhere around your home. Completely wireless you can even move the chime from room to room as you require, or even out to the garden to ensure you never miss someone at the door again. The bell pushes can be stationed up to 100m from the Chime & its signal even transmits through walls & ceilings. The receiver is powered by 3 x AA batteries (not supplied) & measures H12cm x W12cm x D4cm. The weather-resistant bell pushes measure H9cm x W4cm x D2cm & are powered using one long life 12V battery (supplied).