I ordered my first Sanwu Challenger on 10/30 and received it today in the US, 11/11. Now I've just ordered a beam expander for it and decided to get a pocket laser as well.
I'm struggling a bit with the multi function. With lots of practice, I can now somewhat reliably switch between low and medium power but I'm still not very good at hitting the other modes. However the real problem is that sometimes the laser simply does not come on at all.
From off, I'll do a full click and I get no output. If I then do another full click, presumably switching it back off, followed by a third full click, it might come on. It's very inconsistent. I've also had the output activate after a several second delay. I first thought it was just operator error but I'm now starting to worry that there is a problem with the laser.
I'm hoping that someone who has some experience/expertise with the multi function switch could render an opinion.
Thank you.