Type Fixed Dome/Outdoor , Pixel Resolution 4 Mega Pixel , Focal Length 2.1 mm , IR Illumination , Sensor size 1/2.7" CMOS , Microphone Built-in , Lens Mount M12 , Min. Illumination 0.001 Lux , 1xAudio-In , 1xAudio-Out , 1xMicroSD Card Slot , 1xRJ45 , 1xAlarm In , 1xAlarm Out , Supports card capacities up to 256GB , Power options PoE/12V , Power supply requirements PoE / 12VDC power , Environment Outdoor , Operating temperature range -40°C~+60°C , Dimensions 94 mm × Φ122.0 mm