1.Output constant current adjustable.
2.Output constant voltage adjustable.
3.LED voltage and current display.
4.Constant voltage and current operation in individual.
5.Over current protection.
6.305D-II A/mA microamps conversion: 0~5A adjustbale,0~999mA adjustable
7.Current and voltage regulation are smooth and not gears regulation.
8.305D-III 4 Digital precise display current value,prescise current value mA.
