Metal front panel with built-in high-resolution color camera, 105 degree viewing angle, for surface mounting, plastic protection visor, one subscriber selection button, LED illumination for night vision, IP54 degree of protection, compatible with all DT two-wire systems, power supply 24 Vdc, pinhole camera lens (Sharp CCD 420 TV lines), with built-in keypad for access control, memory for 50 codes, talk time 90 sec, dimensions: 220(H)x120(W)x50(L)