Product Model: P3H I Professional and full-featured LCD instrument interface: 6PIN Communication : UART Adaptive voltage: 24V/36V/48V/60V (all within the range of 24V-60V) Applicable handlebar size: 22.2MM USB charging function: 5V/500MA Material: ABS+metal colour: black Package Contents: 1 x LCD Display 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 measurement allowed error is +/- 1-3cm.