E-bike owners, this LED display panel is a smart upgrade for managing your electric bike's performance! Compatible with JN S81 systems and working with both 36V and 48V setups, this display gives you complete control over your riding experience. The gear memory function is brilliant - it remembers your last gear setting even after power cycling, so you don't have to readjust every time you turn your bike on. The intelligent power display accurately shows battery levels and tracks power consumption in real time, helping you manage your riding range effectively. The waterproof ABS construction protects the internal circuitry from weather elements, making it durable for all-season riding. The 4-wire digital communication allows for multi-function self-tuning - you can customize parameters like motor settings, speed limits, and other performance factors to match your specific bike model. The sensitive buttons make operation easy even while riding, and the display is designed to fit standard 22.2mm handlebars. Perfect for electric bikes, scooters, and similar personal transportation devices. Whether you're replacing a damaged display or upgrading your e-bike's interface, this panel delivers reliable performance and useful features. Your riding experience becomes so much more informed and customizable with this smart display. Keep track of your battery, control your power levels, and maintain your preferred settings effortlessly. Essential for any serious e-bike enthusiast!