New LED LCD TV Backlight Tester

TKDMR LED LCD TV Backlight Tester - for All LED Lights Repair Output 0-300V (0-300V 30mA) This LED TV Backlight Tester can find defective LED on the strip in few seconds because of automatically adjust the voltage level and current. How to operate this LED Lamp LED TV Backlight Tester? 1. Plug in power, it would be cost about 3 to 5 seconds to start 2. The soft start mode make the backlight getting brighter gradually 3. If you can't make sure which is"+"and "-", then not test for a long time 4. Don't touch the output terminal of probes for a long time 5. Retardancy materials: Double Isolate Design makes tester safety with high strength and flame What's in the box 1*Tester 1*User manual 1Pair*Test probe 1*US Power Plug