Part Number: 849 Imperial Wind-Up Mechanical Doorbell, Chrome Imperial Doorbells are mechanically operated, requiring no batteries, wiring or electricity. They simply fit to the inside of your front door and give a life-time of maintenance free, reliable service. The doorbell uses a clockwork action, needing only an occasional winding of the dome. It is made in the UK.

[ Click to enlarge ] Mechanical Wind-up Operation. No Wiring. No Electricity. Loud Sound. Maintenance Free. Reliable. Conveniently Mounted on the Front Door. Made in the UK. Diameter 3" (78mm) For Image of Instructions [ click here ] Sound Samples (Click Speaker Icon) Ringing Sound >>