Product DescriptionThe SureFire Dual Fuel Scout Light Pro (M640DF-BK-PRO) is a rugged, high-output weapon light engineered for close- to longer-range applications. Its recoil-proof white LED delivers up to 1,500 lumens with the included SF18650B rechargeable battery or 1,200 lumens with two 123A lithium batteries. A Low-Profile Mount (LPM) lets you optimize positioning on MIL-STD-1913 Picatinny or M-LOK rails, while the Total Internal Reflection (TIR) lens produces a hybrid beam with impressive reach and generous spill. Built from aerospace aluminum with a Mil-Spec hard-anodized finish and sealed to IPX7, it&&';;s ready for harsh duty.Marketing Points Dual-fuel design runs on SF18650B rechargeable or two 123A primary batteries Up to 1,500 lumens of TIR-focused light with hybrid beam for reach and situational awareness Low-Profile Mount optimizes placement; Picatinny and M-LOK cleats included Z68 tailcap push-button switching with momentary and constant-on modes Mil-Spec hard-anodized aluminum, tempered window, and IPX7 sealing for field durability Specs Output: 1,500 lumens (SF18650B) / 1,200 lumens (two 123A) Runtime: 1.5 hours (SF18650B) / 1.25 hours (two 123A) Peak Beam Intensity: 16,000 candela (SF18650B) / 12,800 candela (123A) Beam/Lens: Total Internal Reflection (TIR) hybrid beam Switching: Z68 click tailcap, momentary or constant-on with protective shroud Mounting: Low-Profile Mount with MIL-STD-1913 Picatinny and M-LOK cleats Length: 5.56 in (14.1 cm) Bezel Diameter: 1.125 in (2.9 cm) Weight (with batteries): 5.5 oz (156 g) Material/Finish: Aerospace aluminum, Mil-Spec hard-anodized; Color: Black Liquid Ingress Protection: IPX7 Batteries: One SF18650B rechargeable (included) or two 123A lithium UPC: 084871329262 MPN: M640DF-BK-PRO Brand: SureFire 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.