After hearing so many rave reviews for the ThruNite lights, I thought I would try one out for myself. It is waterproof, small and bright. I like having the moonlite mode for very long run times. It would be nice to have another mode in between the 12 lumen and 162 lumen modes. Not fully through its paces yet. But here's the initial indoor beam shots. Wall is about eight feet away. Control Moonlite (0.5 lumens for 115 hours) Medium (12 lumens for 6.3 hours) High (162 lumens for 30 minutes) It has a strobe function too, but that is not one that I plan to use.