and Not provide technical support. you should know how to use it. If not, think twice before your order. Thanks! Product Name:Super universal interface 2P 6P 10P 12P full interface universal LED boost board LED high voltage board LED connection must pay attention to the definition of the interface is only positive and negative points, the positive input power supply must not be reversed or wrong, Improper connection caused by the consequences of their own, special reminder, but also understanding. LED high-pressure board conversion instructions 1: Connect the power, ground, and switch signals required by the booster board to the universal LED booster board VCC Power ON Switch Signal ADJ Brightness Control GND Ground : Connect the same way as the LCD high voltage board 2: with a multimeter to measure the amount of LED light bar is the number of lines, which are a few negative which are the number of lines which are a few lines Line is only in the more positive and negative points, engage in technology should not amount to see the boost board can see out of the definition. Size:12.3cm * 3.1cm Interface definition: Outputs 12 interfaces -3 + 4-3 -4 + 2-4 + 3-9 -1 + 1 -2 + 2-2 electronic wire -2 + 2-2FFC -4 + 2-4 -3 + 4-3 -5 + 2-5 * 2 Small mouth * 2 Input: Power supply switch signal brightness control ground wire (Same as LCD) Not all of the interfaces are soldered on, we pre-installed one or more details see above . color: blue Material: plastic + metal Package Included: 1x Universal Inverter 1x 4 pin cable Only the above package content, other products are not included. Note: Light 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.