It worked very well for 1 month, then it stopped working via electricity, when I put in a battery to make it work like that until we change it, due to a change in the center of gravity it fell from a height of ~1.5m and broke 1 fin ... I expected something better for 60 euros.

For use with the battery it is not suitable because it consumes it very quickly, for example a 4ah battery at the lowest setting barely lasts 1 hour. I bought it for camping use with a battery and it doesn't suit me because you have to change batteries frequently. I went with 5 batteries, four 2ah and one 4ah, and it consumed them all on the first day with limited use. The motor makes a strange noise when it works, even on the lowest setting. I now only use it with the plug and essentially it turned out to be an expensive fan for the house, because with a 25 euro one that rotates, I would have done a better job

Since I bought it, I use it every summer, it does a very good job and it has also helped me with the battery so when we sit on the balcony or terrace outside, you plug in the battery when you need it and the job is done without pulling cables.