1. The product shell is made of ABS and metal components, with a liquid crystal display screen 2. Functions: battery indicator, headlight control, boost function, boost gear, speed display, subtotal mileage/total mileage, running time, metric to English conversion, fault prompt. 3. Applicable voltage: 24V, 36V, 48V, 60V(24V-60V adjustable) 4. Applicable handlebar size 22.2mm 5. IP65 Different batches may cause differences in product appearance, printed text, and color, which will not affect the use Type:6PIN 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.