The full-featured DB100 doorbell signaler with doorbell button is wireless and installs easily. It features a chime, 64 user-selectable channels to prevent interference from a neighbor's signalers and an outlet for a lamp. The DB100 is compatible with all Sonic Alert receivers.

Features:

• Selectable number of flashes
• Different flash codes for front or back door
• Works with most home intercom systems with separate additional doorbell button sensor (sold separately)
• Built in chime (can be turned off)
• Built in outlet to flash attached lamp
• 64 user-selectable channels
• Compatible with all Sonic Alert receivers
• Wireless doorbell 12V battery included

What else do I need to make this work?

In order to be notified in additional rooms, you will need to purchase a receiver that lets you know when the signaler or transmitter is activated