Hikvision DS-2DE5425IW-AE 4MP 25× Network IR Speed Dome adopts 1/2.5" progressive scan CMOS chip. With the 25× optical zoom lens, the camera offers more details over expansive areas. This series of cameras can be widely used for wide ranges of high-definition, such as the rivers, roads, railways, airports, squares, parks, scenic spots, and venues, etc.