Out of curiosity, I bought it, not expecting it to work properly for €7. The laser on the horizontal level as well as the vertical level are slightly off. The measuring tape is very basic.

Cheap construction. The crystal with the level is not stable. You can turn it by hand and the measurement changes. The laser is weak.
Not worth even 6-7 euros. Avoid this purchase.
For proof, you can watch the video I uploaded
https://streamable.com/nmqkvo

The meter broke on the second use!! The laser is weak. It may be cheap, but in the end, I might have given something more for something better.

Cheap construction and very poorly assembled. The tape measure was installed upside down from the factory and when you pressed the reset button, instead of retracting the tape, it would "throw" it out. And the worst part is that you couldn't put it back in because it would get stuck. As a laser and level, it might have been somewhat usable. 5 euros may not be a lot, but even for that amount of money, I wouldn't buy it again.

For the price, it's perfect.
It can be adjusted for horizontal laser line, vertical as well as cross, which covers you for almost every construction.
Plus, it has a built-in measure.

Today I received the product, and today the meter broke. Unfortunately, 10€, along with shipping costs, wasted.