1/2.8" Progressive Scan CMOS High quality imaging with 4 MP resolution Smart Tracking 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 (802.3at) Efficient H.265+/H.265 compression technology