... management machine 3.External dimension:316*130 locklocks-ZC9 video door phone CCD is calling management center and talk, remotely ... phone system, outdoor video door phone, (door phone,video phone, video outdoor phone), video door phone (outdoor unit), (video door phone, color outdoor ... use with keyboard lamp.5.Video outdoor phone CCD, with automatic IR for night view.6.Unlocking with password. 7. ...