48V 20A Electric Scooter Motor Controller For 10" Kugoo M4Features: Made of high intensity aluminum alloy material, shock resistant and durable. Intelligent design provides steady speed and sensitive control of braking and direction changes. Solid metal can effectively protect the internal circuit and facilitate heat dissipation. Durable cable and interface, ensure a low failure rate when used for a long time. Suitable for electric bicycles, scooter. Great replacement for Kugoo M4. check out youtube videos