Hikvision DS-2DE4215IW-DE (E) 2MP 15? Network IR Speed Dome adopts 1/2.8″ progressive scan CMOS chip. With the 15? 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.