Anti-, vercurrent protection. Automatic identification the 36V and 48V. Automatic identification the Hall sensor. Automatic identification the Phase angle of 60 degrees and 120 degrees. Low level brake. High level brake. Brushless motor controller. Compact design for easy installation. Durable in . Casing material: Aluminium Size: approx. 103x70x35mm Rated voltage: DC 36V/48V Rated : 350W Current: 16-18A Applicable : electric bicycle, electric scooter. Controller Installation : First, confirm the positive and negative poles of the supply. The positive and negative poles of the supply must not be reversed. Other functional lines can try to until they are connected rightly. 1. The -learning line is inserted first. 2. the cord and note the positive and negative poles should not be reversed. the electric door lock line, Hall line, phase line, and turn line. 3. When the is turned on, the motor will rotate. After it has stabilized , if it is reversed, pulls off the -learning line, and then it plugs in the -learning line. It will rotate foreward. After it is stable, unplug the -learning line is ok. 4. After the controller learns it , the features you have on your car, such as anti-theft, three-speed, reverse, off, and assistance. Colour: silver white Material: metal Package Contents: 1 * Ebike Motor Controller Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.