IT HAS PROBLEMS. It works and it is very bright to the point where you can see it anywhere, it has 11 brightness options and comes with a UTG riser. The problem it has it contact. The cap (part of the wheel that adjusts the brightness) has to be real tight to the battery, so with some tape you'll be good. You pay shipping and PayPal fees. Total Fees (Shipping & PayPal): $22.40