While I was impressed with the laser I purchased (while it was working), it just stopped working seemingly for no reason. I did not drop it or get it wet. I contacted customer support and was told I should purchase another one since it lasted for more than a year and they would not be able to help me with a repair as the products come from China (should have guessed). Save yourself the time and money and find a laser made in the USA (or at least not China) if you want / expect such an expensive and seemingly high quality laser to actually work for longer than a year or so.