brand new and high quality Features: LED TV screen backlighting problems are becoming more common. With this product, there is no need to remove the screen when testing LED backlight. You can find the LED strip problem easily as you do not need to disassemble your LED TV to test LED strips which can save a lot of for time for you. This LED Lamp LED TV Backlight Tester can find faulty LED on the tape in a few seconds with automatic voltage and current adjustment. If there is something wrong with LED strip, you can change it or replace the bad LED beads. The transformer is insulated from heat and cold, can protect you from the electricity, thus you can rest assured to use it. Applicable to all series of lamp board and lamp strip, perfect backlight inspection and maintenance tool! it is really a good tool for every technician. It can be tested in a long for time, and will not damage the lamp beads. Specification: Model: XY284-GHB Input Voltage: AC85V-265V Output Voltage: 0-320V Output Current: 0-35mA Size: app.14x8x4cm/5.51x3.15x1.57in(LxWxH) Quantity: 3 Pcs/Set Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement, please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x LED Tester(Note: The power line is European standard) 1 P x Test Pen 1 Pc x Instruction