Doorking 1812 Classic Surface Mount Telephone Entry System | DKS-1812-081 battery backup enclosure *Yale hardware has limited lifetime

*Yale hardware has limited lifetime mechanical and 1 year electronic

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

The positive locking linear drive arm design provides enhanced security

0 Commercial Door Operators and Slide Gate Operators

Solar Compatibility

Doorking 1812 Classic Surface Mount Telephone Entry System | DKS-1812-081 battery backup enclosure *Yale hardware has limited lifetimeDoorking 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