- How long have you use it?
3 months or about 10 evenings.

- What is so special that you like most and least?
As negatives:
- Where are the announced 40mW
- Reacts badly to music
- No glass window in front to protect the laser diode ...

- Have you tried many other models before buying it?
A model 30mW Dune, I would have done better to keep it.

- How would you rate the quality / price?
Pretty bad, it should be called Eco Laserlab40 +

- With experience, you do again this choice? ...
Of course not, I think I would look at a Contest