This LED tester using 8-bit high-speed single-chip driver LED digital display voltage, the output voltage automatically adapt it according to the load. Using self- insurance, the chip comes with overheating protections, over-current protections, hot and cold isolation. If you are interested in this product, come and hace a try, it will ot let you down.Wide Applications: This LED light tester suitable for one LED beads, light , LED string, LED panel and intergrated optical LED.Capacitance&Diode Voltage Testing: This tool can be used for testing the capacitance voltage and diode voltage.Easy to Use: With this test tool, you do not need to disassemble the panel to test the LED backlights.Automatically adapt to voltage and current and this tool can automatically identify lamp beads and light .color: White: ABSDouble isolated safety protections and with the voltage and current intelligent adjustment function.Portable size and easy to carry, you can put it into your tool bags to carry.LED digital display screen to read the testing data more clearly, you can the testing data .Specifications:Product Name: LED LCD TV Backlight TesterInput voltage: AC 85-265VOutput voltage: DC 0-300V automaticCurrent 10 seconds the test: 20mA10 seconds after the test current: 20mAItem size: 94 x 57 x 31mm / 3.7 x 2.2 x 1.2inPlug Type:EU Plug,it applies to Indonesia, , , , and so onPackage Contents:1 x LED Tester1 pair x Test Pen with LineOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.