JSK-020HDR-V1.0 million 2K resolution 73 ° angle of view automatic focusing without distortion high frame rate 105dB wide dynamic USB output camera module chip size 22mmx 29rnmx 10.4 / ‐ 0.2mm, COMS sensor size 1 / 2.5 ", its function can automatically gain reinforcement, adjust brightness and white balance, and finally transform optical signal into digital signal. The front side of PCB board is marked with product model, embedded wiring port and memory chip. The bottom of PCB board is embedded with DSP chip and encryption IC chip. DSP chip is used to process the digital signal from the sensor and transmit it to PC through the port and USB.