Equipped with a -screen display instrument with USB charging, the black characters on the white background are clearer under the sun.Battery indicator: Boost function: Boost gear: Speed display:Subtotal mileage/total mileage; running time; metric conversion: fault promptDue to different batches, there may be differences in product appearance, color, and printed text, which will not affect the useProduct model: M6H | LCD instrument that integrates electronic control parts and bicycle partsProduct size: 98.1X61.9X24.6MMAdaptive voltage: 24V/36V/48V/60VCommunication : UARTApplicable handlebar size: 22.2MM/25.4MM/28.6MM/31.8MMUSB charging function: 5V/500MAColour:blackMaterial:ABStype:6PINPackage Contents:1 x LCD Displa1 x Sine Wave Controller(the appearance and color are random, don't accept the specified )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.