Image Sensor: 1/2.8” CMOS progressive scan CMOS, Signal System: PAL/NTSC, Shutter time: Support, Lens Mount: M12, Day& Night: Electronic, Wide Dynamic Range: 120 dB, Video bit rate: 32Kbps~16Mbps, ROI: Support 4 fixed regions for each stream and dynamic face tracking, Warranty: 01 Year Limited Warranty. This is Hikvision's 2MP Explosion proof ATEX network Dome camera with 2.8mm or 4mm fixed lens manufactured in a robust stainless steel housing.