Type Fixed/HDTV/Megapixel/Outdoor , Pixel Resolution 8 Mega Pixel , Focal Length F 4.1–12.3 mm , IR Illumination , Sensor size 1/2" , Microphone Built-in , 1xRJ45 , Power options PoE , Power supply requirements 37—57V DC , Environment Outdoor , Operating temperature range -20 to 50º C , Dimensions Ø86 x 154.3 mm