Built in transformer. No separate transformer or batteries required;Dual note traditional chime;Bell push and fixings included;Requires mains wiring to chime position and bell wire from chime to push (not included);Dimensions: Chime 170mm high x 102mm wide x 44mm deep. Push 53mm high x 27mm wide x 15mm deep

• Greenbrook DHT01AN-C Mains Powered Door Chime with Bell Push Kit

Greenbrook DHT01AN-C Mains Powered Door Chime with Bell Push KitGreenbrook