Camera Image Sensor : 1/2.8" Progressive Scan CMOS Shutter Speed : Self-adaptive shutter Lens : 4mm@ F1.6, viewing angle: 46° (Vertical), 86° (Horizontal), 102° (Diagonal) 6mm@ F1.6, viewing angle : 28° (Vertical), 52° (Horizontal), 62° (Diagonal) PT Angl