Hikvision DS-2CD4025FWD-A - an intelligent IP camera based on a 1 / 2.8-inch CMOS matrix with a sensitivity of 0.005 Lux at F1.2 in color and 0.0005 Lux in b / w images, a maximum resolution of 1920 × 1080 pixels and a frame rate per second 50 Fps. The device supports day / night operation and is equipped with a mechanical IR-cut filter to correct color rendition during daylight hours and increase the sensitivity level in the dark.