Been using these lights since they first came on to the scene. LED was new technology then being able to provide good light in a compact unit with a good burn time from a set of rechargeable batteries. The latest model (higher Lumens) does not disappoint. It is stil compact, light weight, waterproof and alot brighter. It is not the brightest lamp on the market by any means, but it is reliable! For venues where there is clear water some of the brighter lamps are to bright this has a nice low setting, but it also has a bright enough main beam to guide your fish through the surf. Compared to alot of the higher end lamps this is relatively cheap. You buy CREE lamps for little money these days on ebay, but personal experience relability has been issue build quality is lacking. The Princeton is well built and feels sold with 4 small leds for flood lighting with 2 different brightness setting, and one main LED for flood with 2 different brightness settings. There is a also a continous flash for emergency situations. I have managed two night sesssion with a single charge of batteries. If you are looking for a good reliable lamp that doesn't cost the earth, this may just be the lamp for you.