Home automation - Wireless battery-operated White 70m range 433.92MHz 80dB 2 mel. ‘Good neighbours’ feature: easy adjustment of channel selections will stop interference from neighbours who have a similar Door Chime, Choose between two possible chime tones: Ding Dong and Westminster, Inbuilt flashing light.
Easy to install.
No wires or cables.
Long range radio-wave transmission up to 70 metres which allows you to place the door chime anywhere in your home.