The YL80C meter provides a of functions to meet your riding needs.Battery displayMotor power indicationAssistance gear adjustment and indicationSpeed display (including real-time speed, maximum speed, average speed)Mileage display (including single mileage and total mileage)Helping to implement control and instructionsHeadlight control and displayError code displayUSB connection parameter settings (such as: wheel diameter, speed limit, battery power setting and power assist parameter setting, power-on password setting, controller current limiting setting, etc.)Default parameter recovery functionSpecial Features: For Ebikecolor:BlackMaterial:plasticsize:95 x 58.5mmPackage Contents:1 x Ebike Display MeterOnly 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.