Product DescriptionThe SureFire Fury IntelliBeam Dual Fuel is a compact pocket searchlight engineered to think for itself. Using SureFire&';s IntelliBeam technology, it automatically and seamlessly adjusts output from 15 to 1,500 lumens based on ambient light, so you always get the right amount of illumination without fumbling through modes. Its Mil-Spec hard-anodized aluminum body, tempered window, and O-ring seals deliver rugged reliability, while the click tailcap allows quick activation with a double-click override for high-output only. Run it on the included SF18650B microUSB rechargeable battery or two CR123A lithium batteries for maximum flexibility.Marketing Points IntelliBeam auto-adjusting output delivers optimal light from 15 to 1,500 lumens Dual-fuel design: includes SF18650B microUSB rechargeable battery; also runs on two CR123A cells Precision beam with long reach and useful spill for situational awareness Durable aerospace aluminum construction with MilSpec hard anodizing and IPX7 ingress protection Click tailcap with easy double-click override for high-only mode Specs Light Output: 15-1,500 lumens (with SF18650B); 1,100 lumens (with two 123A) Battery Options: One SF18650B lithiumion rechargeable (included) or two 123A lithium (not included) Switching: Click tailcap; double-click for high-only High Runtime: Approx. 2.25 hours (SF18650B) Maximum Runtime: Up to 40 hours (depending on mode/battery) Beam Distance: Up to 315 meters (with SF18650B) Length: 5.6 in (14.2 cm) Bezel Diameter: 1.39 in (3.53 cm) Weight (with batteries): 6.5 oz (184 g) Body Material/Finish: Aerospace aluminum, MilSpec hard anodized Window/Seals: Tempered window; Oring sealed; IPX7 Brand: SureFire UPC: 084871326957 Manufacturer Part Number: FURY-IB-DF Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.