The function of this panel is to allow you to have a look at the electric bike basic state about speed, power, mode, lamp. What makes it add no extra weight to your bike is the ultralight and compact design. LED power display, 6km boost gauge 790 gauge It is easy to operate on the panel because it is designed with sensitive buttons. Made of high quality ABS material, it is durable, not easy to break It is suitable for electric bicycles. It can display brightness and has multi modes. Colour:black Material:plastic+metal type:48V Package Contents: 1 x Electric Bicycle 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.