DoorKing 1812 Plus Series Systems

The 1812 Plus is an updated version of the 1812 Classic and features an upgraded processor, a new high fidelity digital voice circuit, better volume control, a lighted push-button and additional call out telephone numbers (up to 27). This unique communication and access control system allows homeowners to use their existing telephone as an intercom to speak with a guest at a door or gate and is ideal for those applications requiring a basic, single door or gate, access control solution.
Connects directly to your existing C.O. (Central Office) phone line. No additional monthly expense for a separate telephone line to the entry system.