1、MULTI FUNCTION: The LED tester is applicable for single LED lamp bead, lamp bar, LED string, LED panel and integrated optical LED. 2、VOLTAGE TEST: The tester has high and low current gear, when adjusting to the low current gear, this tool can be used to test the capacitor voltage and diode voltage. 3、AUTO RECOGNITION: The test tool can automatically adapt to voltage and current, and automatically identify lamp beads and strips, more easy to use. 4、HIGH SAFETY: Adopt soft start mode, with double isolation safety protection, intelligent voltage and current regulation function, without burning lamp beads and electric shock, highly safe. 5、CLEAR DISPLAY: LED digital display allows you to read test data more clearly, and you can easily obtain test data. Item Type: LED TV Backlight Tester Material: ABS Output Current: 30mA, TV test, no disassembly required Output Current: 1mA, small part test (SMD, capacitor, diode) AC Switch: Yes High and Low Current Gear: Yes 1 x LED TV Backlight Tester 1 x Black Test Pen 1 x Red Test Pen 1 x Power Cable 1 x User Manual