Specifications ☀Emitter: 1*(White)LED ☀Operating voltage: 2 – 5V ☀Battery options: Not entails ☀Lighting Distance:150M ☀Material:Aluminum Alloy ☀Flashlight body: Aerospace grade 6061 grade aluminum alloy, CNC manufactured to hard-anodized to military grade specification variety III, anti-abrasive end to get strong constructed body, anti-crash geometry and higher warm temperature exchange. ☀Water resistance i. IP-66 ☀Reverse polarity defense to guard opposed to incorrect battery installation.