Product:
Downside: As indicated most of the comments, the self-adhesive support is not great (it does not fit on the wood (under a bed) .. I put small pieces of double-face tape and it " .. sticks "The remote control is used to vary the brightness A low lighting, transformer prose emits a fairly loud noise (but not too bad either) All functions and colors on the remote are not available (eg.: there is no orange).
The good: The price. Indeed, for two meters leds months 15 euros, so do not be too demanding. The colors change completely, white illuminates enough. In short, at this price point, there's nothing wrong. There is one year, I purchased the net meter ribbon LEDs. It works perfectly and glue great. It and has no default. But I had paid 27 euros.
If you want a perfect product with great effects and gradients, it will put the price and I do not recommend this article. But if like me, you want to spruce up a kid's room, having correct lighting with main colors (blue, white, red, yellow, green and purple) and enjoy some cool effects for a small budget, will go for it.
For 15 euros (also add 2 euros DualDisc hand) I think do not think you could find better and also complete (remote + transformer + tape).
In short, I highly recommend it.