Our Advanced Plug-through Door Chime is ideal for use all around your home. The built-in socket means you can still use other appliances from the same 13A socket. With an extensive operating range of up to 150 metres, blue flashing chime indicator and 8 enhanced chime sounds to choose from, our advanced plug-through door chime make sure you never miss a visitor or delivery. The water-resistant bell push (IP55 rated) comes with a battery, and fixings are included to easily attach to your front door. The wireless button push uses 1 x CR2032 battery (not supplied). The wireless chime unit plugs into any 13A socket, has a built-in socket so other appliances can still be used, a blue flashing chime indicator light and a loud 88dB(A) volume. Warning: Always read packaging before use. Dimensions: Chime unit: 12.0 x 5.5 x 7.0cm, Bell Push:  8.0 x 1.8 x 3.0cm