Video Door Station Indoor/Outdoor Height (In.) 7 11/16 in Width (In.) 3 15/16 in Depth (In.) 1 in Door Station Height (In.) 7 11/16 in Door Station Width (In.) 3 15/16 in Door Station Depth (In.) 1 in Master Depth (In.) 7 11/16 in Master Height (In.) 3 15/16 in Master Width (In.) 1 in Wiring Conductors CAT-5e Wire Type CAT-5e Power Source 24V DC Voltage 24V DC For Use With AX Series Includes Mounting Hardware