Adapted voltage: 24V or 36V or 48V or 60V(24V-60V adjustable) Applicable handlebar size: 22.2MM Product features: Bold button backlight design. Even at night, button functions can be clearly distinguished. Power indicator Headlight control Boost function Boost gear and speed display Subtotal mileage or total mileage, running time, metric to English conversion, fault prompt Different batches may cause differences in product appearance, text, and color, which will not affect the use Color: Black Material: ABS 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 real thing. The measurement allowed error is 1-3cm.