The B81 is 5MP outdoor zoom dome camera with 1/3.2" progressive scan CMOS image sensor. Features day and night adaptive IR LED, 69dB wide dynamic range, superior low light sensitivity, 1/5 to 1/10000 second (auto mode) electronic shutter time. Board lens mount and 85.7° to 30.5° horizontal viewing angle. Weatherproof (IP66) and vandalproof (IK10) environmental casing. -40 to 50°C operating temperature. Fully compatible with ACTi software.