Feature
1. COB with metal frame
2. 5x7 dots with cursor
3. Built-in controller KS0066 or equivalent
4. + 5V single power supply
5. 1/16 duty cycle
6. LED B/L pins:A/K, or 1/2, F=RGB , K=edge LED/Green pure
7. Option: LED, EL B/L, A=Arabic/English
8. Option: +3V single power supply
9. Option: LCD Vop fix on 5V (-20 °C~+70 °C)