ACEL AC1473 Wired Door Chime with Integral Transformer Big Ben (Friedland D3230)
This type of chime requires mains wiring to the bell chime then a bell wire between it and the remote bell push (not supplied). This is not suitable as a replacement if your existing transformer is remote from the bell
Sound Output Two note “ding dong” : 80dB @ 1m
Dimensions: 105mm wide x 171mm high x 49mm deep.