Specifications☀Operating voltage: 2 – 5V☀Color temperature:7000-8000K☀Battery options: Not includes☀Lighting Distance:150M☀Material:Aluminum Alloy☀Lumens:1000lm☀Dimension: 100mm (length) x 24mm (head diameter)☀Weight: 45g / zero (without battery)☀Flashlight body: Aerospace grade 6061 grade aluminum alloy, manufactured to hard-anodized to navy grade specification sort III, anti-abrasive end to get solid built body, anti-crash geometry and higher warm temperature exchange.☀Water resistance i. IP-66☀Reverse polarity defense to protect opposed to wrong battery installation.☀Light Mode: High, Med, Strobe,SOS