Fans are very hit and miss. In short: nice fan, reasonable quality for the price. Not whisper quiet but not offensive either. Another reviewer commented on the poor instructions. I had no trouble with them; perhaps they improved them in response. There's not much to the assembly, in fact the moulded strap that holds the guard together is a better design than other fans I've seen. It only requires one moving part to secure it where other fans have 4 clips and a tiny bolt.
The rotating movement is fine but it could do with more adjustment ability on the vertical tilt. It only has 2 settings: level and around 5 degrees higher. No downward tilt so not ideal if you want the fan say on top of your filing drawers like me. Not a major issue though.