["AC 220V Screen Led Backlighting LED LCD TV LED backlighti Tester Lamp beads Light board LED light detection Tool\r\n\r\nSpecifications:\r\nMultifunction adjustable LED lamp rep tester\r\nworking voltage AC 220V\r\nOutput voltage adjustment range: 0 ~ 230V\r\nOutput current range: 0 ~ 25mA\r\nUse range: all LED light board, LED TV backlight\r\n\r\nFeatures:\r\n1. Adjustable output voltage,\r\n2. Adjustable brightness lamp beads.\r\n3. Medallions detectable leakage.\r\n4. high-precision meter reading data, high accuracy.\r\n5. Automatic adaptation test lamp beads / lamp panel voltage.\r\n6.Circuit for protection，won'for t burn out lamp\r\n7. Electrical isolation safer, for touch one end of the output power not people. (Note: Do not for touch the positive and negative ends at the same for time)\r\n8. The string can be accessed by about 100 different types of lights, lamp panels, light board.\r\n9. expertise, professional-quality, trustworthy.\r\n\r\nUsage: Suitable for all sizes of power lamp beads single series and parallel LED light board inspection and maintenance. Series and parallel hybrid line can be detected.\r\nMultifunction adjustable LED lamp beads service tester is a test and maintenance equipment LED lamp beads. Specially designed for the majority of electronic enthusiasts. Lamp beads solve encountered during assembly does not shine light does not cause the whole problem. You can quickly identify problems which lamp beads. Thus effectively improve maintenance efficiency and save maintenance for time, reduce indirect labor costs.\r\nThe operation is very convenient and simple, the red pen and black pen alignment of circuit board or lamp beads can detect positive and negative, normal lamp beads Lights. When the two collide pen, forming pathway lights.\r\n \r\nPackage included:\r\n1pcs tester\r\n2pcs test pen"]