Traditional mechanical ding-dong type chime (not electronic). Built in transformer (no batteries to change);Chime sound output 80dB(A) @ 3m;Bell push included, complete with white and black fascias;Connections located bottom left for mains, bottom right for bell push;Dimensions: Chime: 171mm tall x 107mm wide x 44mm deep. Push: 58mm tall x 29mm wide x 15mm deep

• Deta C3501 Mains Voltage Door Chime with Built in Transformer complete with Bell Push & Black and White Fascias

Deta C3501 Mains Voltage Door Chime with Built in Transformer complete with Bell Push & Black and White FasciasDeta