Doorking 1802-083 Lobby Panel Surface Mount lm-csl24 Compatible with LiftMaster SW490GL swing

Compatible with LiftMaster SW490GL swing gate operators

Battery Backup: (2) 12V 7Ah sealed lead-acid batteries (included)

Provides individual loop input terminals and corresponding detector outputs

Liftmaster 030B0533-1 Capacitor

Doorking 1802-083 Lobby Panel Surface Mount lm-csl24 Compatible with LiftMaster SW490GL swingHands Free Lobby Entry Panel for DoorKing Intercom Systems The Doorking 1802 083 is a hands free surface mount lobby panel built for use with DKS 1816 and 1820 telephone intercom systems. Designed for secure access communication in multi tenant buildings, this panel allows voice based entry control from a central lobby location. It cannot be connected directly to a standard telephone line, and should only be used as part of a compatible DoorKing