Commax 2-Apartment Building Audio Intercom Flat Set

Audio intercom set for 2-apartment building. Includes: 2-button lobby unit, 2 interphones DP-SS and power supply RF-12015S.
Lobby unit: Apartment call and talk to visitor. Interphone: talk to visitor and release door (door strike not included).
Use one power source DC12V, 1.5Amp for lobby unit. Lobby unit provides power to handsets.
Lobby unit made of aluminum material/flush mounted type; surface-mounted handset. Not waterproof.
Manufacturer Commax
Item model number DR-2UM/DP-SS/RF-12015S
Is Discontinued By Manufacturer No
Power Source DC
Item Package Quantity 1
Number Of Pieces 4
Usage Indoor use
Batteries Included? No
Batteries Required? No