1/ 2.8" Progressive Scan CMOS, High quality imaging with 4 MP resolution, Excellent low-light performance with Ultra-Low Light technology, 25× optical zoom and 16× digital zoom provide close up and views over expansive areas, WDR, HLC, BLC, 3D DNR, defog, regional exposure, regional focus, Expansive night view with up to 492ft (150 m) IR distance, 24 VAC & PoE ( 802.3 at), Efficient H. 265+/H. 265 compression technology