Our Advanced Portable and Plug-in Door Chime set is ideal for use all around your home and garden. With an extensive operating range of up to 150 metres, blue flashing chime indicators and 8 enhanced chime sounds to choose from, this door chime set will extend the coverage around your home and garden to 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 portable chime unit uses 2 x AA batteries (not supplied) and can be wall mounted, used free standing or carried around the home or garden. The wireless button push uses 1 x CR2032 battery (not supplied). The wireless plug-in chime unit plugs into any 13A socket and both have the blue flashing chime indicator light and loud 88dB(A) volume. Warning: Always read packaging before use. Dimensions: Wireless chime unit: 11.0 x 5.0 x 3.0cm, 13A UK chime unit: 11.0 x 5.0 x 5.5mm, Wireless bell push: 8.0 x 1.8 x 3.0cm