[Olight’s Self-Developed LED] ArkPro Ultra features a proprietary EIP 1 LED chip, which creates an expansive, crystal clear beam that is evenly distributed. [Exceedingly Pre-durable Material] Made from Olight’s O-aluminum, which is 1.73x as hard as standard 6061 aluminum alloy, the handheld flashlight defies scratches, resists breaking, and shrugs off dents.