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1.Each individual constant current output, each board can be little 20 per substrate can simultaneously lit 20 products, each piece can be set individually current, time, aging pattern and other parameters. 

2.With a constant current, ON / OFF, Pulse, Timer function, the number of bits input parameter setting, real-VF, IF monitor, computer connection function.

3.Suitable for LED \ LD\VCSEL chip, lamp beads lit aging test.