Customized Calendar Digital Clock (STK-TDU2L/LA):
1. Single sided; The red digital display shows the month, day, and hour; Day of the week dot matrix LED display; Chinese characters such as month, day, and week are displayed on a flat tube without silk screen printing;
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;
9. RS485/RJ45/WIFI optional;
10. The shell adopts sheet metal or aluminum metal forming technology and electrostatic spraying;
11. Supports AC220V ± 10%, POE power supply optional.