1. Double sided; Red inch hour minute second display;
2. Equipped with countdown and timed on/off device functions; Optional voice time reporting;
3. LED display unit luminous intensity: ≥ 200cd/㎡;
4. Contrast ratio: ≥ 10:1;
5. Visual angle of LED display screen: ≥ ± 65o;
6. Adopting constant current drive technology, MTBF: ≥ 80000 hours;
7. Independent timing accuracy: ≤± 0.3S/D;
8. Optional independent timing accuracy: ± 0.05 seconds/day (25 ℃± 2 ℃);
9. RS485/RJ45/WIFI optional;
10. The shell adopts metal forming technology that is not easily deformed or discolored, and electrostatic spraying;
11. Supports AC220V ± 10%, AC24V, POE power supply options.