Greenbrook Galaxy Hard Wired Ding Dong Door Bell Chime White

Traditional mechanical "ding-dong" door chime Can be used with 3 x C cell LR14 batteries or 8V AC transformer rated at 1 amp minimum (neither included) For connection to a single bell push. Will work with illuminated bell pushes for circuits incorporating an 8V AC transformer Sound output 78dB(A) @ 3m Dimensions: 172mm high x 107mm wide x 46mm deep