Features 1、Applicable Motors: Compatible with 36V 1500W, 36V 2000W, 48V 1500W, 48V 2000W, 52V 1500W, 52V 2000W brushless motors, with or without for hall sensors. 2、Sine Wave Controller: The controller is equipped with XT60 plug, suitable for brushless motors with or without hall sensors, featuring self learning function for easy operation. 3、Safe and Sturdy Material: Made of aluminum alloy and ABS, the plastic box is insulated to prevent fire accidents and ensure battery safety. Perfect for outdoor enthusiasts who love biking with comfort and ease. 4、Reverse Prevention Design: The three mode controller can prevent motor reverse rotation, simply connect two wires to rotate it forward without long term connections. 5、Speed Limit Release: Two speed limit wires can be disconnected to release the speed limit, providing convenient and flexible control. Easy to install and use, it's a effective upgrade to your existing cycle, adding convenience to your rides. Item Type: Electric Cycle Conversion Kit Material: Aluminum Alloy, ABS MOS Tube: 15 Maximum Current: 40±1A Rated Voltage: 36V, 48V, 52V Communicating Protocol: No. 2 Communicating Protocol Brake Input: Low Level Controller Size: Approx. 185x82x41mm / 7.3x3.2x1.6in Display Size: Approx. 61x110mm / 2.4x4.3in Package List 1 x Controller 1 x Controller Manual 1 x Display 1 x Display Instruction Manual