Sony CCD.480TVL low noise OSD function Path memory function Privacy masking 1 Lux/Color; 0.01 Lux/B/W f 4.0-88mm/f 3.25-88mm 18/22 optic zoom 80 preset 0,5-250¡ã/sec pan speed 360¡ã horizontal RS 485 communication AC 220V input