["Description:\nbrand new and high quality\nFeatures:\nA machine test tool specially made for Mavic Mini UAV signal line.\nThe signal lines can be tested through the lights on the test board.\nIf all the lights are on, the signal line is intact; if some lights are not on, there is a problem with the signal line.\nGreat replacement repair accessory spare part for broken, worn-out one.\nGood compatibility and fits perfectly.\n\nSpecifications:\nMain Material: Printed Circuit Board\nColor: Purple\nSize: Approx. 9.5x3.8 for cm/3.74x1.49 inch\n\nNote:\nOnly signal line test tool, singal line and charging cable are not included.\nPlease allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you mind. \nDue to the difference between different monitors, the picture may not reflect the actual color of the item.\n\nPackage Includes:\n1 Piece Signal Line Test Tool"]