100% and high qualityLED TV screen backlighting probl are becoming more common. With this product, there is no need to remove the screen when testing LED backlight.You can find the LED str problem easily as you do not need to disaemble your LED TV to test LED strs which can save a lot of time for you.This LED Lamp LED TV Backlight can find faulty LED on the tape in a few seconds with automatic voltage and current adjustment.If there is something wrong with LED str, you can change it or rep the bad LED beads.The nsformer is insulated from heat and cold, can protect you from the electricity, thus you can rest aured to it.Applicable to all series of lamp board and lamp str, perfect backlight and maintenance tool! it is really a good tool for every technician.It can be d in a time, and will not damage the lamp beads.Model: XY284-GHBInput Voltage: AC100-240VOutput Voltage: 0-230VOutput Current: 0-35mASize: app.14x8x4cm/5.51x3.15x1.57in(LxWxH)Type: Cable AdapterType: Industrial Computer AcceoriesModel Number: LED Strs Test ToolPlug Type:US Plug,it applies to Canada, India,Mexico, Thaid, the United States, the Philpines,Taiwan and so on. / EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so onVoltage: AC100-240Vcolor:As shownMaterial:PlasticPackage Contents:1 x LED (Tag , cannot choose the specified tag)1 Pair x Test PenOnly the above package content, other products are not included.Note: Light reflection and different displays may ca the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.