Princeton Tec Impulse
Light weight and bright for a single LED bulb, but…
Light weight and bright for a single LED bulb, but the battery life was way too short. It was eating up batteries as fast as I was replacing them, maybe a 6 hour burn time.
It has a clip to attach to your hat, which makes it nice to use as a headlamp, but that's the only good thing I can say about this thing. I'd recommend a Photon light instead.