Description
The DoorKing 1812-089 1812 Plus Surface Mount is a residential telephone entry and access control system.
Features
- Built with a stainless steel faceplate and a surface mount black housing frame
- Stores up to 27 dial-out phone numbers and 50 programmable entry codes
- Operates on full-duplex digital audio and connects in series with a standard phone line or compatible adapter
- Includes call forwarding, call waiting, a built-in clock/calendar, and distinctive double-ring alerts for visitors
