Up to 6000 visits per second Local area network synchronization timing accuracy: 0.5-2ms Internally integrated high-precision timing GNSS satellite receiver Support GPS, Beidou, GLONASS, QZSS NTP v2 (RFC 1119), NTP v3 (RFC 1305), NTP v4 (RFC5905) SNTP v3 (RFC 1769), SNTP v4 (RFC 2030) Compact structure, easy to install Receiver Parameters: Support Satellites:GPS L1 or Beidou B1 or GLONASSL1 or QZSS L1 Vertical Positioning Accuracy: Less than 5m or 16.4ft CEP50 (autonomous) Less than or 9.8ft CEP50 (SBAS) First Positioning Time: Reacquisition: Less than 1s 50percent Hot Start: Less than 1s 50percent Warm Start: Less than 33s 50percent Cold Start: Less than 35s 50percent Electrical Parameters: Working Voltage: DC 6-24V Operating Current: 80mA at 12V GNSS Antenna Voltage: 3.3V Ethernet Port: RJ45, 10 or 100Mbps, -connection adaptive Reliability Level: 2KV Electromagnetic Isolation Working Temperature: -40 to 85 Storage Temperature: -45 to 105 Working Humidity: 5percent to 95percent RH (No condensation) Storage Humidity: 5percent to 95percent RH (No condensation) Note: Please contact customer service about download or installation information before placing order. Voltage: AC110V Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Colour:Black Material:Iron and Plastic Package Contents: 1Set x NTP Time Server(Due to different product batches, the appearance , which does not affect the use) 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.