586pcs Ghostbusters Ecto-1 & 2 Movie Police cars 16032 Figure Building Blocks Assemble Children Toys Compatible With Lego Color:16032 With box It should be calibrated the

It should be calibrated the controller when use it in the first time or change to another controller

Long press the Ch5/6 for 3s

then the first LED and third LED will flash

Q2: How to develop your own firmware and upgrade to a device

we will send the product at random，hope you can understand

586pcs Ghostbusters Ecto-1 & 2 Movie Police cars 16032 Figure Building Blocks Assemble Children Toys Compatible With Lego Color:16032 With box It should be calibrated theImprtant notice & Tips: Now there are many stores sell seconds at best quality prices or inferior quality product with low price in the Ariexpress, but we guarantee that all our Blocks are made by exporter by international standard. All of them can compatible with original famous brand. Accessory elements include an alarm bell, fire extinguisher, computer, phone, toolbox, tools, jars of slimes, magnifying glass, camera, camera rolls, arcade game,