Controller for a 350W brushless motor (only with Hall sensors) of an electric bike. Characteristics: Motor voltage: DC 36V / 48V For motors: 350W Current: 16-18A Current protection. Auto-sensing Hall sensors. Auto detect 36V or 48V. Auto-detect phase angle of 60 and 120 degrees. Case Material: Aluminum Dimensions: 10.3x7x3.5cm Package Contents: Controller Only