Thomas & Betts DH992 Mechanical Doorbell (Non-Electrical)

Even if there is an power outage, your doorbell will still work.
The DH992 mechanical doorbell also includes a peep hole viewer for added security. You can check the visitors before opening the door.

The DH992 is easy to install and use!

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