Feature: 1. Applicable Models: Throttle grip kit is compatible with Razor MX350 Electric Scooter. Please confirm your model before purchase. 2. Clear Display: Equipped with a power display that clearly shows remaining battery level, visible even at night for improved riding safety. 3. Circuit Protection: Controller housing made of aluminum alloy with groove design to protect internal circuitry, enhance heat dissipation, and prevent thermal overload. 4. High Stability: High-quality cables and reliable connections ensure durability and low failure rate for long-term use. 5. Ideal Replacement: Replaces controller and handlebar to improve speed control performance; a practical upgrade accessory. Specification: Item Type: Brushed Motor Speed Controller Material: Rubber, Metal Twist Grip Aperture: Approx. 22mm / 0.86in Rated Voltage: 24V DC Current Limit: 22A Rated Power: 350W Compatible Motor: DC brush motor Undervoltage Protection: 31V Throttle Voltage: 1V to 4.2V Applicable Models: Compatible with Razor MX350 Electric Scooter Package List: 2 x Throttle Handle 1 x Motor Controller 2 x Key