Doorking 1812 Classic Surface Mount Telephone Entry System | DKS-1812-081 battery backup enclosure The positive locking linear drive

The positive locking linear drive arm design provides enhanced security

Securely mount your Doorking gate opener with the Doorking Plate for Post Mounting

Doorking Pulley 4 Inch OD 5/8 Inch Bore | DKS-1601-018

Solar Compatibility

USAutomatic Wireless Receiver | USA-030205

Doorking 1812 Classic Surface Mount Telephone Entry System | DKS-1812-081 battery backup enclosure The positive locking linear driveDoorking 1812 Classic Surface Mount Telephone Entry System DKS 1812 081 The model 1812 is a unique telephone intercom system that allows homeowners to use their telephone as an intercom to speak to a guest at a front door or gate without the necessity to pay for an additional telephone line at their home. With its "intercom mode" programming feature, 1812 can also be connected to a PBX or KSU type system, making it ideal for small businesses to