1. Communication Protocol: Transmission Control Protocol/Internet Protocol, RJ45 interface; 2. Automatically receives time from NTP network server; 3. Supports background system software management; 5. Triple display: pointer time, surgery time; main characters with 2.3-inch digital tube, display color red; 6. Chinese text as illuminated character blocks, displaying "Beijing Time", "Ambient Temperature", "Relative Humidity", "Surgery Time"; 7. Built-in temperature-compensated clock; continues normal operation during external power outage, with an error of less than 0.5 seconds per day; 8. NTP time service status indicator; flashing colon indicates abnormal time service, non-flashing indicates normal time service; 9. Management software can read the clock's current time in real-time; 10. Material: panel made of acrylic, tea-colored semi-transparent; outer frame made of aluminum profile, black; 11. Brightness ≥600 cd/m2; brightness adjustment ≥ 3 levels; 12. Viewing distance 3m — 50m; 13. Viewing angle (2θ—) horizontal +140 degrees; vertical 45°/65°; driving method 1/16 (constant current drive); 14. Maximum power consumption ≤40W; 15. Power supply 220VAC ±10%, 50Hz; 16. Environmental requirements: -15℃ — +55℃, 10% — 95% RH;