HL51 rechargeable camping head lamp use 1pc high performance Luminous SST-40 LED generates max 800lm output. The lamp uses one 2600mah 18650 battery to support at least 2 hours non-stop lighting. Areo-space aluminum material with hard anodized surface finish make the light much more durable. Easy switch operation, quick click to switch high, med, low, red, strobe modes after to turn on the light. IP65 waterproof assure the light can working at raining condition.