... S and smooth operation 2.ccd video camera 3.English OSD menu is optional ccd video camera1 Stepless speed, humanized ... identify SONY, SAMSUNG and other domestic brand camera 11 English OSD menu is optional12 30 pcs ... 30 meters13 420 line and 480 line fixed camera, four times seek, 10 times seek (domestic, ... SONY, SAMSUNG camera)14 Guarding function, after the machine rest a ...