Basically this is a micro-controller with a few extra components that can be shipped for very little cost across the world, and that's what is all required with a little bit of local tinkering talent to convert the device into something else.
换句话说，它就是个小遥控器，外加一些 零部件，都是极其便宜的东西 在世界上任何地方一样。这就是所需要的全部了 可能还需要一点当地的维修人才 来转换这个设备