Doorking 1812-081 Classic Telephone Entry System - Surface Mount repair-part The 1835-084 supports multiple connectivity

The 1835-084 supports multiple connectivity methods

Required Safety Device: Minimum 1 monitored external entrapment sensor connected (photoeye or monitored edge)

the 1 HP SL3000101UL model is available separately

Compatibility: Supports LiftMaster and ELITE® automatic gate openers and garage door openers manufactured since 1993

Additional hardware may be required for certain connection types

Doorking 1812-081 Classic Telephone Entry System - Surface Mount repair-part The 1835-084 supports multiple connectivityResidential Telephone Entry System with Dual Access Control Relays The DoorKing 1812 081 Classic Telephone Entry System delivers a powerful, reliable access control solution ideal for residential applications. Featuring a direct connection to the homeowners existing telephone line, the 1812 Classic allows users to communicate with visitors and grant access by simply pressing a button. Designed with a rugged stainless steel faceplate and NEMA 4X rated