Product Overview NVC-317 is a combination of video surveillance, project-based motion detection, voice intercom, PTZ control and other functions of network cameras. Features multi-level user password rights management, support multiple users simultaneous access to unlimited 360-degree rotating position, all electronic non-contact switch built-in hardware watchdog technology, in the event of unusual circumstances can automatically reset abnormal automatic recovery, network outages After automatically connects motion detection, linkage alarm, alarm box support RS485 wired or wireless alarm sensor, etc. (area and sensitivity can be set) Video bit rate 16Kbps-5Mbps continuously adjustable frame rate 1-25 (PAL) / 1 -30 (NTSC) continuously adjustable network adaptive technology, (10 / 100M) support for dynamic IP address network bandwidth automatically adjust video frame rate based on Ethernet, supports a variety of network mode LAN, WAN, PPPOE and other support DDNS support N-DISP (patent agreement: CNC Dynamic IP Support Protocol), perception address change within 30 seconds, more convenient solution to the problem of dynamic IP supports IP and port number and MAC address auto code search directly update the built-in Web Server, a comprehensive support IE browser monitor, configure and update applicable ADSL, LAN and other network environments D1 high-definition picture quality, with a variety of different display formats (720 * 576,720 * 288,352 * 288) scenarios apply to finance, hotels, government, schools, construction sites, factories and other low-light and require HD quality place.