AIPHONE Master Station: 1 7/8 in Ht, 6 7/8 in Wd, 7 5/8 in Dp, 1 7/8 in Door Station HtAIPHONE Master Station: 1 7 8 in Ht, 6 7 8 in Wd, 7 5 8 in Dp, 1 7 8 in Door Station Ht TypeIndoor Height (In.)1 7 8 in Width (In.)6 7 8 in Depth (In.)7 5 8 in Door Station Height (In.)1 7 8 in Door Station Width (In.)6 7 8 in Door Station Depth (In.)7 5 8 in Master Depth (In.)1 7 8 in Master Height (In.)6 7 8 in Master Width (In.)7 5 8 in Wiring ConductorsCAT 5e Wire TypeCAT 5e Power Source24V DC Voltage24V DC For Use WithAX Series IncludesMounting