Using switches to turn, quickly detect and convenience Suitable for 24V / 36V / 48V / 60V / 72V two-wheeled or three-wheeled electromobiles Built-in industrial-grade chip, anti-statics, strong anti-electromagnetic interference, low-temperature resistance The detection effect is more intuitives, through the transformation of the circulars arrangement of lights, distinguish brushless controller is 120 degrees or 60 degrees phase angles and the fault of the brushless controller There is a self-test function to check that the car itself has no problems, Manufacturer: uikios