LED Tester Screen Led Backlighting LED LCD TV LED Backlight Tester Lamp Beads Light Board LED Light Detection Tool

Test lamp method Touch the lamp bead or both ends of the lamp with the positive and negative ends of the test pen to light up the lamp bead Use Voltage and current adaptive non adjustment outputSupport multiple types of single LED lamp beadsSupport multiple LED string lights in parallelEye protection soft start function brightness gradient outputSupport positive and negative test leads short circuit protectionSupport TV LED backlight without disassembly screen test Scope of application LED lighting fixtures LED light source accessories LED backlight strips LED advertising light boxes NOTE Do not touch the positive and negative poles of the test lead at the same time during usePackage includes 1 X LED Tester Details pictures