I really like my Petzl E-lite. It is tiny enough that it's easy to always have with you. It can be clipped to your clothes if you don't want it on your head, and it swivels on a ball mount. It has Hi-Low brightness settings, a red setting, and a strobe flasher. I originally bought it as a back up light, but like it enough that I use it as my primary when camping. As for battery life, I've had it for several years and am still on the original batts.