... ROSH Certificate,1/4-inch Sony Super HAD CCD,High speed Dome Camera, CCTV Camera Features:1/4-inch Sony CCD and DSP ... automatic/manual Varifocal: 18 folds (optical) or 12 folds (digital) Focus: F = 1.2, F = 3.9 to 85.8mm Minimum ... /0.001 lux shutter is open (F1.6/30IRE) Minimum focus: 0.1m (nearest), 1.6m (furthest) S/N ratio: ... < 90%RHOutside:Temperature: -40°C to 60°CHumidity: < 90%RH CCTV Camera