The BWHC2-4KAF8MPA is a camera that includes multiple modes of output (HDMI/WLAN/USB), AF means auto focus. It uses ultra-high-performance CMOS sensor. The camera can be directly connected to an HDMI display, or it can be connected to a computer via WiFi or USB, and the image and video can be saved in an SD card /USB flash drive for on-site analysis and subsequent research.