1. The product shell is made of High-quality materials, LED display 2. Functions: battery indicator, headlight control, boost function, boost gear. 3. Adaptive voltage:36V 4. Applicable handlebar: 22.2mm. 5. IP65 waterproof grade. Type: S810 Electric Bike Meter LED Display Due to different batches, there may be differences in product appearance, color, and text, which will not affect the use PIN: 6PIN Material: ABS colour: black Package Contents: 1 x 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.