Features1ENHANCED PERFORMANCE: Upgrade your electric bikes with this controller, providing stable speed, quiet operation, and accurate control over braking and direction changes. 2ALUMINUM ALLOY CONSTRUCTION: The controller is made of durable aluminum alloy material, which ensures heat dissipation and prevents internal circuit overheating. 3AUTOMATIC RECOGNITION: This controller is highly efficient and energy saving, as it can automatically recognize the phase angle and rated voltage of the electric bike. 4EASY INSTALLATION: The cables and connectors are designed to be durable, ensuring low failure rate during long term use. Different interfaces are color coded for your convenience. 5WIDE APPLICATION: Suitable for electric bikes, electric tricycles, electric quad bikes, electric motorcycles, and more, as long as the power and voltage requirements match.SpecificationItem Type: Electric bike controllerMaterial: ABS, rubber, aluminium alloy, metalWeight: Approx. 436g / 15.4ozCompatible: For 750W motorProduct Size: 125x65x40mm / 4.9x2.6x1.6in Maximum Current: 251AVoltage: DC36V 48VSpeed Setting: 1 to 4.2VBrake: Input low levelPackage List1 x Electric Bike Controller