1. Support alarm linkage warm light warning, sound alarm, and target tracking. 2. Built in speaker, supports 13 shouting alarms. 3. Supports 30x optical zoom and 16x digital zoom. 4. Supports H.265 encoding for ultra-low bit rate transmission. 5. Signal to noise ratio reaches 55dB6. Supports privacy masking, up to 24 areas, and up to 8 areas in the same picture. 7. Wide dynamic effect, combined with image noise reduction function, perfect day/night image display. 8. Built in 150m infrared light supplement, using magnification and infrared light power matching algorithm, the supplement effect is more uniform. 9. Outdoor ball reaches IP66 protection level, 6000V lightning protection, surge protection, and surge protection. 10. Open API supporting software integration, supporting standard protocols (Onvif, CGI, GB/T28181) Support access to Dahua SDK and third-party management platforms, support triple stream technology, support behavior detection such as tripping wire intrusion and area intrusion; Support multiple triggering rule linkage actions; Support target filtering 13, 360 ° continuous rotation in the horizontal direction, automatic 180 ° flipping in the vertical direction from -20 ° to 90 °, and continuous monitoring without blind spots 14, support 300 preset positions 15, can complete 8 cruising paths according to the preset positions 16, can set 5 cruising paths, with a recording time of more than 15 minutes for each path 17, supports AC24V ± 25% wide voltage input