Feature: 1. Support access of multiple smart front-end devices with human detection and face detection function. 2. Support HDMI-compatible 4K output, VGA HD output; 3. Support ONVIF access third party; 4. Support web, CMS, center platform management software MYEYE, provide SDK development; Support multiple cloud technology, network penetration, alarm information pushed to your phone and other functions; Support multiple network services (support DHCP, FTP, DNS, DDNS, NTP, UPNP, EMAIL, IP searches, Alarm Center, etc.); Support GB28181 protocol access to third-party platforms. Depending on the batch, the appearance of the motherboard may be different, and the silk screen printing batch number may be different, which does not affect use. Color: green Material: PCB + electronic components Package Contents: 1 x motherboard 1 x SATA cable 1 x hard drive power cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.