Audio Master Station Indoor Height (In.) 2 1/8 in Width (In.) 7 1/16 in Depth (In.) 5 5/8 in Door Station Height (In.) 2 1/8 in Door Station Width (In.) 7 1/16 in Door Station Depth (In.) 5 5/8 in Master Depth (In.) 2 1/8 in Master Height (In.) 7 1/16 in Master Width (In.) 5 5/8 in Distance (Ft.) @ 18AWG 1 570 ft Distance (Ft.) @ 22AWG 650 ft Wiring Conductors 2 Conductors Wire Type 22 AWG Power Source 12V AC Voltage 12V AC For Use With LE Series Includes Mounting Hardware