Non-Electric Mechanical Doorbell

The DH 992 mechanical doorbell is a particularly useful device that ensures you will have access to a high quality doorbell no matter what--even if your power runs out! This non-electric doorbell even has a peep hole viewer for added security.

• For new or replacement applications
• Mechanical operation works without electricity
• Includes peep hole viewer for added security when answering the door
• Chime intended for walls and doors at least 3/4" and up to 4 2/4" thick
• View designed to mount on doors from 1 1/4" to 2" thick
• Easy to install, includes chimes, name plate and viewer
• White color chime