Beijing Chaoyang monitoring, control engineering in Chaoyang, Chaoyang monitoring company, Hikvision a distributor. Hikvision camera DS-2CD2120F (D) -I (W) (S) 200 万 1 / 2.8 "CMOS ICR Day & Night Dome Network Camera Key Features ?? maximum resolution up to 1920 × 1080 @ 30fps, the resolution rates can output real-time image ?? using ROI, SVC and other video compression technology, high compression ratio, and flexible processing, low bit rate ?? progressive scan CMOS, capture moving images without jagged ?? can support PoE power supply (optional distribution)? Support Micro SD / SDHC / SDXC card (128G) local storage? Support wifi function (optional)? supports one audio input and output, voice intercom (optional)? Support triaxial adjustment, easy installation? ? Efficient infrared light, long life, irradiation distance of up to 10-30 meters ?? ICR automatic switching IR filter for true day and night surveillance ?? dust and waterproof to IP66 level design, high reliability, support corridor ?? mode, backlight compensation, digital wide dynamic, automatic electronic shutter, adapt to different monitoring environment ?? featured: heartbeat, mirror, watermarks and other support fluorite cloud access ??