Type Fixed Dome/HDTV/Megapixel/Outdoor , Pixel Resolution 4 Mega Pixel , Focal Length 2.8 mm , IR Illumination , Sensor size 1/1.8 , Microphone Built-in , Min. Illumination 0.002 Lux , 1xVIVO , 1xAudio-In , 1xAlarm In , 1xAlarm Out , Supports card capacities up to 256GB , Power options PoE/12V , Power supply requirements 12VDC , Environment Outdoor , Operating temperature range -40°C~+60°C