AIPHONE Video Door Station: 6 13/16 in Ht, 3 7/8 in Wd, 1 1/16 in Dp, 6 13/16 in Door Station Ht and you also can press

and you also can press the button on it to activate for night viewing

Seat Height Adjustment: Yes Armrest Type: Fixed

Color Temperature: 4500K

metallic doors or reinforced concrete may block the radio signal

AIPHONE Video Door Station: 6 13/16 in Ht, 3 7/8 in Wd, 1 1/16 in Dp, 6 13/16 in Door Station Ht and you also can pressAIPHONE Video Door Station: 6 13 16 in Ht, 3 7 8 in Wd, 1 1 16 in Dp, 6 13 16 in Door Station Ht TypeIndoor Outdoor Height (In.)6 13 16 in Width (In.)3 7 8 in Depth (In.)1 1 16 in Door Station Height (In.)6 13 16 in Door Station Width (In.)3 7 8 in Door Station Depth (In.)1 1 16 in Master Depth (In.)6 13 16 in Master Height (In.)3 7 8 in Master Width (In.)1 1 16 in Distance (Ft.) @ 18AWG330 ft Distance (Ft.) @ 22AWG165 ft Wiring Conductors2 Conductors