Features1Applicable Motors: Compatible with 36V 1500W, 36V 2000W, 48V 1500W, 48V 2000W, 52V 1500W, 52V 2000W brushless motors, with or without for hall sensors. 2Sine 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. 3Safe and Sturdy Material: Made of aluminum alloy and ABS, the plastic box is insulated to prevent fire accidents and ensure battery safety. for outdoor enthusiasts who love biking with comfort and ease. 4Reverse Prevention Design: The three mode controller can prevent motor reverse rotation, simply connect two wires to rotate it forward without long term connections. 5Speed 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.SpecificationItem Type: Electric Cycle Conversion KitMaterial: Aluminum Alloy, ABSMOS Tube: 15Maximum Current: 401ARated Voltage: 36V, 48V, 52VCommunicating Protocol: No. 2 Communicating ProtocolBrake Input: Low LevelController Size: Approx. 185x82x41mm / 7.3x3.2x1.6inDisplay Size: Approx. 83x49mm / 3.3x1.9inDisplay Cable: Approx. 1650mm/5.4ftPackage List1 x Controller1 x Controller Manual1 x Display1 x Display Instruction Manual