Comfortable button touch. size on the left, and an USB charging system Battery indicator; headlight control; boost function; boost gear, speed display Subtotal mileage, total mileage, running time, metric conversion, fault prompt Product Model:P3H I Professional and full-featured LCD instrument Communication :UART Adaptive voltage:24V/36V/48V/60V (24V-60V adjustable) Applicable handlebar size:22.2MM USB charging function:5V/500MA Due to different batches, there may be differences in product appearance, color, and text, which will not affect the use Type:5PIN Colour:Black Material:Plastic Package Contents: 1 * Meter 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.