Tin solder on the top, tinplate on the bottom, tin foil inside.

顶上是焊锡，底下是马口铁，里面是锡箔。

It draws power directly from the drone it is connected to, and yeah, you do need to solder it on to it yourself.

它直接从它所连接的无人机获取动力，是的， 您确实需要自己将其焊接到上面。