1、CONTROLLER: This sine wave 3 mode controller can match the brushless motor with or without hall, and with self learning function, which brings you a better using experience. 2、WIDE APPLICABILITY: This controller is suitable for 36V1500W 36V2000W 48V1500W 48V2000W 52V1500W 52V2000W with hall and without hall brushless motor. 3、GOOD HEAT DISSIPATION: The controller shell is made of premium aluminum alloy and has a groove design. It has good heat dissipation performance and can prevent the internal circuit from thermal overload. 4、DISPLAY PANEL: Made of ABS material, light weight, sturdy, and fine workmanship, with good toughness and water resistant performance, long service life. 5、EASY TO INSTALL: Premium wire and interface are used to guarantee long service life and low failure rate. It will provide stable speed and sensitive control over braking and direction changes. Item Type: Cycling Conversion Kit Material: Aluminum Alloy, ABS Controller Voltage: 36V 48V 52V Controller Power: 1500W-2000W Controller Size: Approx. 185x82x41mm / 7.3x3.2x1.6in Controller Maximum Current: 40±1A Controller Tube Number: 15 Tubes 1 x Controller 1 x Thumb Throttle 1 x Power Assist Sensor 2 x Brake Lever 1 x Display Panel 2 x Instruction Manual