Comfortable button touch. size on the left, and an USB charging systemBattery indicator; headlight control; boost function; boost gear, speed displaySubtotal mileage, total mileage, running time, metric conversion, fault promptProduct Model:P3H I Professional and full-featured LCD instrumentCommunication :UARTAdaptive voltage:24V/36V/48V/60V (24V-60V adjustable)Applicable handlebar size:22.2MMUSB charging function:5V/500MADue to different batches, there may be differences in product appearance, color, and text, which will not affect the useType:5PINColour:BlackMaterial:PlasticPackage Contents:1 * 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.l