Features 1.Function: Testing device can quickly detect the quality of the controller quickly test whether the brushless motor coils good or bad quickly check the brake handle. 2.Features: Fast detection of phase sequence ABC and ABC color of brushless motor quickly detect whether the phase angle is 60 degrees or 120 degrees. 3.Application: The testing device is a necessary tool for electric vehicle manufacturers controller manufacturers motor manufacturers electric vehicle dealers and electric vehicle after sales maintenance personnel. 4.Exquisite Workmanship: The electric bicycle tester is made by excellent workmanship which can provide accurate detection and has good detection effect with outstanding performance. 5.High Efficiency: Brushless motor controller is high efficiency small size light weight easy to carry convenient for you to use and bring you a good use experience. Specification Item Type:BrushlessMotorControllerTester Package List 1 x BrushlessMotorControllerTester1 x User Manual