Hikvision TandemVu 4-inch 2 MP 25X Colorful & IR Network Speed Dome Captures a large area and great details at the same time High quality imaging with 2 MP resolution Excellent low-light performance with powered-by-DarkFighter technology and ColorVu technology Secures an expansive area with 25× optical zoom and 16× digital zoom Supports WDR, HLC, BLC, 3D DNR, defog, regional exposure, regional focus Expansive night view with up to 100 m IR distance & 30 m white light Supports 12V DC & PoE+ Focuses on human and vehicle targets classification based on deep learning