The ds-2cd1121-i camera is dedicated for professional ip cctv systems. The ceiling camera has been equipped with 2 mp 1/2.8" cmos sensor providing good video coverage even in low-light conditions. Along with ir illuminator with range up to 30 m, the camera can also operate in complete darkness. The built-in 2.8 mm lens has 105° viewing angle. The ip67-rated housing of the camera protects the electronics against adverse weather conditions. The camera can be powered conventionally from a 12 vdc source or with the use of poe option (802.3af).
The user can select h264+, h.264, or mjpeg video compression. In the case of the h.264+ compression, the data stream is additionally minimized for static scenes, without noticeable loss of image quality. The compression algorithm, based on h.264, has been optimized by hikvision for applications in cctv systems. Compared with h.264, it can reduce by half the data stream, which translates into proportional savings of the disk space