1. The jack for the LED connection.

2. The display for the LED temperature and LED current indication.

3. The LED current adjust.

4. The multiposition switch for adjusting the pulse duration.

5. The red LED indicator of failure of LED current.

6. The green LED indicator of quasi continuous wave mode.

7. The green LED indicator of pulse mode.

8. The button of frequency selection.

9. The button of mode selection.

10. The jack for synchronization cable.

11. The LED current indicator.

12. The start/stop button of LED power supply.

13. The button of display mode selection.

14. The jack for the cable of AC/DC adapter.

15. The LED indicator of the LED temperature indication mode.

16. The start/stop button of LED cooling.

17. The LED indicator of the LED cooling mode.

18. The LED indicator of the LED current indication mode.

19. The LED temperature adjuster.