Features1Self Learning Function: The controller is equipped with self learning function, which can intelligently adapt to different models of Hall or non Hall brushless motors, thus achieving more accurate and efficient drive control and making the whole system more intelligent and convenient. 2Multiple Motor Adaptations: The controller is compatible with 24V250W, 24V350W, 36V250W, 36V350W, 48V250W and 48V350W brushless motors, suitable for different power and voltage requirements of electric bicycles, electric vehicles, etc., providing more choices. 3Powerful Heat Dissipation Performance: The controller shell is made of metal with groove design, which can effectively dissipate heat, protect the internal circuit, avoid thermal overload and improve the working stability and life of the controller. 4Durable Material: The instrument part is made of ABS plastic, which is light, strong and durable, with fine workmanship, toughness and waterproof performance, providing better protection for the internal circuit and prolonging the service life of the whole system. 5Highly Adaptable: The controller kit is suitable for DIY electric bikes, electric cars, electric scooters, folding bikes, etc. It can greatly enhance the fun of riding and is suitable for cyclists who pursue challenges and excitement. It is also easy to maintain and convenient for users to perform self maintenance and upgrade.SpecificationItem Type: Brushless Motor Conversion KitMaterial: Aluminum Alloy And ABS PlasticWeight: Approx. 591g / 20.8ozController Voltage: DC24 36 48VCurrent: 171APackage List1 x Controller1 x Panel1 x Panel Manual1 x Trigger Shifter1 x 2 in 1 Waterproof Cable1 x Power Assist Sensor1 x Power Assist Magnetic Ring1 x Instruction Manual