Type Fixed Dome , Pixel Resolution 8 Mega Pixel , Focal Length 2.8 mm , Sensor size 1/2.8”8Megapixel progressive CMOS , Microphone Built-in , Min. Illumination 0.007 Lux , Electronic Shutter Speed Auto/Manual 1/3 s–1/100,000 s , 1xAudio-In , 1xAudio-Out , 1xAlarm In , 1xAlarm Out , Supports card capacities up to 256GB , Power options PoE/12V , Power supply requirements 12V DC/PoE (802.3af) , Operating temperature range -40°C~+60°C , Dimensions Φ122.0 mm × 110.9 mm (4.8" × 4.4")