The all new, state-of-the-art, DB100 is the only doorbell and intercom signalers that require no wires and can be installed in seconds. Unlike competing models, the DB100 is not triggered by sound; so annoying false alarms are a thing of the past. Doorbell button 2.5" x 3.75" x 1"; Transmitter 3" x 5.25" x 1"

Works in homes with all doorbell systems
Works in homes with all intercom systems
Selectable number of flashes (5 or 10)
Different flash code for front door, rear door, or intercom (requires additional sensor, sold separately)
Built-in chime for hearing members of the family (can be turned off)
Built-in outlet to flash an attached lamp and each
Sends a signal to all Sonic Alert remote receivers (see Miscellaneous Signalers)
Five-year warranty

Please Note: Sonic Alert Doorbells can be installed in a home with or without an existing doorbell system and comes with a doorbell button for home without a doorbell system.

Product Manual (PDF)