Made of quality main control chip and metal oxide semiconductor, provides stable percompatible withmance.The solid-state capacitor and resistor are of high quality, can greatly lengthen the service life.The well-organized circuit board is easy to install. With remote recevier module, it's suitable compatible with a variety of remote controller.And it supports bluetooth, which means you can listen to music and turn on the lights while riding on your smart scooter.The built-in interface is well-made, not loose and durable.Base Material: CopperInsulation Material: Organic ResinInsulation Resin: EPNote:1. Differences due to light and display, the color of the item may be slightly different images.2. Please allow 1-2cm differs due to manual measuremeColour:blackMaterial:Pcb boardPackage Contents:1 * Motherboard with CablesOnly the above package content, other products are not included.Note: Light shooting 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.