LED Lamp TV Backlight Tester Multipurpose LED Strips Beads Test Tool Measurement Instruments for LED Light

Features:
Voltage and curren adaptive output without adjustment.
Support lightinfg multiple types of s-ingle LED beads.
Soft s-tart with eye-protection and brightness gradient output.
Support positive and negative electrode test pen short circuit protections.
Support lightinfg multiple types of series-parallel connection LED light bars.
No need to remove the screen: test LED TV backlight and other LED backlight of any size without detaching screen.
Button type bracket structure design.