FSK20G619 is a dual light integrated system integrating 20x optical zoom camera, infrared thermal camera and high-precision professional 3-Axis stabilized PTZ. It adopts waterproof pod with made from aviation waterproof material interface and network IP output. The PTZ adopts high-precision encoder FOC control scheme, which has the characteristics of high stability, small volume, light weight and low power consumption; The visible light camera adopts a wide dynamic sensor with 2 Mega effective pixels low illuminance SENSOR .Domestic 640*512 resolution vanadium oxide detector without block on the design. And it offer software support of ground station. The system supports network RTSP picture in picture code stream output, support multiple picture in picture modes duovideo and multiple pseudo color switching. The serial port and network can synchronously control the camera and PTZ, Support local TF storage and network file read and write operations.Support dual channel synchronous video recording, support a variety of picture-in-picture mode and pseudo color switching, support IP66 protection. . The focal lengths of these two thermal camera lenses are 19mm .