About this item This is a brand new general-use controller, most e-bike/scooter controllers can be replaced by it. This is a brand new general-use controller, most e-bike/scooter controllers can be replaced by it. This is a brand new general-use controller, most e-bike/scooter controllers can be replaced by it. This controller maybe different with original, buyer should make sure capable to handle 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. › See more product details