Feature 1This is a brand new general-use controller, most e-bike/scooter controllers can be replaced by it. 2This controller maybe different with original, buyer should make sure capable to handle it before use it. 3The red and black cable link up the battery, and the other two link up the motor, and there are introductions for others. 4This product is suitable for electrombile and other electric bicycle. 5Great accessory for electric bicycles.Specification Features: This is a brand new general-use controller, most e-bike/scooter controllers can be replaced by it. This controllermaybe different with original,buyer shouldmake surecapable tohandle it before use it. The red and black cable link up the battery, and the other two link up the motor, and there are introductions for others. This product is suitable for electrombile and other electric bicycle. Great accessory for electric bicycles. Specifications: Condition: 100% Brand New and High Quality Material: Aluminum Alloy Voltage: 24V Speed Governing: 1-4V Power: 250W Brake Crank: Mechanical Normally Open Suitable for Electric Bicycle Weight: Approx. 140g Packing List: 1 x Electric Bicycle ControllerNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }