you need a useful tool to test the LEDTV backlight strips. You can find the LED strip problem easily as you don't need to disassemble your LED TV to test LED strips which can save a lot of time for you. This LED Lamp LED TV Backlight Tester can find defective LED on the strip in few seconds with automatical voltage and current adjustment. If there is something wrong with LED strip, you can change it or replace the bad LED beads. Applicable to any size LED TV , perfect backlight inspection and maintenance tool ! It is really a good tool for Every Technician. Input Voltage: AC85V-265V Output Voltage: 0-320V Output current:0-35mA Main Application: Suitable for single LED beads, LED stirng, LED panel and Integrated optical LED Support testing the capacitance voltage and the diode voltage - No need to disassemble panel to test the LED strips which can save a lot of time for you. Safe Protection: Double Isolated Burning protection: Voltage and Current Intelligent Adjustment Safety design : Slow boost , soft start. Increase the current steadily. Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Colour:As Shown Material:plastic Voltage: AC100-240V<br><br>Package Contents: 1 x LED tester 1 x test leads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.