- Compatibility and purpose: Fits NIU KQi2, KQi2 Pro, KQi3, and KQi3 Pro electric scooters. If your original control components no longer respond, this replacement restores control behavior. - Key benefits: Reinstates throttle and input responsiveness for safe, predictable riding. Lightweight yet impact resistant and anti aging, offering sturdy, durable performance. - Material and feel: Made from high quality ABS plus PC for strength, long lasting performance, and a solid tactile feel during use. - Function and compatibility: Direct replacement for the scooter’s control module to enhance responsiveness and control accuracy. - Use scenarios: - Throttle or button inputs become intermittent on KQi2 or KQi3 models. - Replacing worn or damaged control parts after extended use or exposure to vibration. - Refurbishing an older NIU scooter to restore precise acceleration and ride feel.