Type Fixed/Outdoor , Pixel Resolution 4 Mega Pixel , Focal Length 2.8mm , IR Illumination , Sensor size 1/1.8”CMOS , Microphone Built-in , Min. Illumination 0.0004 Lux , 1xAudio-In , 1xAudio-Out , 1xMicroSD Card Slot , 1xAlarm In , 1xAlarm Out , Supports card capacities up to 256GB , Power options PoE/12V , Power supply requirements ePoE / PoE / 12VDC , Environment Outdoor , Operating temperature range -40°C~+60°C , Colour White