When repairing the LCD and notebook, if you only see a little shadow or high voltage protection when you touch the screen, it is difficult to judge whether the lamp or the high voltage board is faulty! With this set of tools, it is easy to determine the fault! The kit comes with a connection cable so that it can be easily tested whether the LCD port is large or small!Features:1. This kit is directly connected to the monitor's 12V/1A-4A power supply, which can simultaneously illuminate two lamps below 15 inches.2. Whether it is testing the LCD screen or the tube without solder leads, it is very convenient.3. It also can be used for lighting billboard or advertising signs by CCFL lamps.4. The kit comes with a patch cord so that it can be easily tested whether the LCD port is large or small!5. It is really a good tool for testing LCD lamps.Specification:Material: ABSColor: WhiteInput voltage: 12VSuitable for: CCFL, LED backlight displaySize: 65 * 25 * 20 mm / 2.6 * 1.0 * 0.8inWeight: Approx. 43gPackage List:1 * Tester2 * Connection Cable