Compatibility with for Models: Specifically designed for 4/4 Lite/4 Ultra electric scooters, this speed controller ensures optimal performance tailored to your vehicle, guaranteeing a seamless upgrade experience. Two Speed States: The speed controller features distinct modes for tailored riding experiences. Users can switch between low speed (20 ) for casual rides and high speed (32 ) for thrilling performance, making it versatile for different riding preferences. Simple Installation Process: Designed for ease of use, the speed controller can be installed with minimal tools. Clear instructions guide users through the installation steps, make sure a hassle-free setup that can be completed quickly. Software Adjustment Capabilities: This product modifies the scooter's software version to enhance speed capabilities. By effectively changing the settings, it allows users to achieve higher speeds, provided the motor is compatible, leading to an improved riding experience. Private Use Only: It is crucial to note that this product is intended for private use only. Users are advised of potential risks associated with modifications, including impacts on controller software and insurance. Understanding these risks is essential for safe operation. Product Name:Electric scooter speed regulator Color: Black Material: plastic Package Contents: 1 * Speed Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.