The B51 is 5MP indoor dome camera with 1/3.2" progressive scan CMOS image sensor. Features day and night adaptive IR LED, 69dB wide dynamic range, super wide angle, 1/5 to 1/10000 second (auto mode) electronic shutter time and board lens mount. Surface, pendant, wall, corner, pole, flush and gang box mount types are available. Vandal-resistant (IK09) environmental casing. -10 to 50°C operating temperature. Fully compatible with ACTi software.