This is for use in the United States ONLY due to the Type A US Plug.

Stylish US Plug-In Chime Unit, simply plug into your mains plug outlet and pair with your selected Doorbell World wooden plinth or doorbell press (not included).

150m range (in Open Field and at suitable conditions). Metal Frames , thick walls And UPVC door frames will reduce the operating distance.
Choice of 8 selectable chime sounds.
Excellent sound quality
Adjustable volumes
Flashing blue LED indication
Easy installation.
Pre-programmed push/extender to chime and self-learning to avoid interference with neighbour's chimes.

Specifications

Dimensions - Door Chime 90mm Diameter x 45mm depth. (excluding socket pins)
Chime - No Batteries, Plug-in
Front door - back door operation , with second bell push button or extender.
Sound Level dB@1M, 86db.
Colour - White
Operating frequency, 433MHz.
Operating temperature range for all chimes is 0°C to + 30°C.
Operating temperature range for all pushes is -10°C to + 40°C.
Weight - 0.1Kg

Sound samples

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Doorbell World US Plug in additional chime unit - DBW-USF5Sx US Plug