Crafted from robust aluminum for added durability to accompany you on every adventure. Plus, with its exclusive Enduro mode, you’re guaranteed an impressive 12 hours of continuous runtime, making it your reliable partner for the long haul.Specification:Ultra Boost (2200 lumens):1 hrHigh (800 lumens): 2.5 hrsLow (400 lumens):5 hrsEnduro: (200 lumens): 12 hrsDaytime HyperConstant (1500/400 lumens):4 hrsFlashing (200 lumens):60 hrsDimension:43 x 39 x 117 mmWeight: 213.5 grams (light unit and battery)Light source:High intensity white LED x1Battery:Li-ion rechargeable battery (3.6v-5000mAh)Recharge time:approx 4 hrs (USB2.0 recharge)Water resistant: IPX4