Universal Controller Mainboard for NIU KQi2 Pro Electric Scooter Skateboard Controller Replacement Description/Features: Optimized Compatibility: Specifically designed for the NIU KQi2 Pro, this universal controller seamlessly integrates with your electric scooter, ensuring a perfect fit and optimal performance without the need for customization. Enhanced Riding Experience: Upgrade your scooter's functionality with this high-quality controller. It provides smooth and responsive control over your NIU KQi2 Pro, enhancing your ride quality and ensuring safety during use. Easy Installation: This controller is designed for easy installation with no specialized tools required. It's a straightforward replacement that can be done at home, saving you time and money on professional services. Safe and Certified: Manufactured in a certified facility with rigorous quality control, this controller is free from high-concern chemicals, ensuring safety and peace of mind for all users. Specifications: Maximum Speed: 32 km/h Voltage Range: 39V (minimum) to 48V (maximum) Compatibility: Connects with the official Niu app for installation and usage. Color: As shown Material: Aluminium Package Contents: 1*Controller Mainboard 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.