Hard Wired Ding Dong Door Bell Chime The Greenbrook DH021A-C Tubular Decorative Wired Bell Sounder with Ding Dong Sounder in White is a reliable yet stylish Door Bell, which will always alert you when somebody is at the door. This doorchime, whether battery or transformer powered, has been specifically designed to complement all types of décor, whilst being simple and easy to install. The chime receiver is connected to the bell push/transmitter via bell wire. It is not connected to the mains power and therefore requires 3 x C cell LR14 batteries or a transformer to operate. Battery or 8V Transformer operation. This item requires 3 x C cell LR14 batteries. Clear sound. Classic Wired Chime. Traditional ding dong sound. Loud 78dBA Output White Dimensions - 170mm(Height) x 112mm(Width) x 52mm(Depth) Comes complete with a 1 year manufactures warranty. Instruction Manual Please see our range of popular wired bell pushes to go with t