I want to buy some RGB led lights for indoor use but I couldn't find one that comes with an adapter. Like this one, all of them just have a tiny bit of cable.
Question is, how can I make it work? What kind of cable should I buy that has the same wires in it so I can solder them together? Also how do I know if it would work with 220V?
In Canada the cable you'd use is called cabtyre, no idea about bong/euro land. Just go to an electrical supplier and ask for flexible cord with three conductors. You won't need anything fancy.
You should buy standard mains cable that has three wires. If I were you I'd take it apart and solder the wires directly to the driver inside the box, instead of hacking it on the outside.
This oe says it works with voltages between 100 and 245 volts, so it must be some high tech shit.