Product DescriptionThe SureFire M640U Scout Light Pro delivers 1,000 lumens of bright white light from a recoil-proof LED, giving you dependable illumination for medium- to long-range tasks. Its proprietary Total Internal Reflection (TIR) lens creates a long-reaching beam with ample spill for situational awareness. The versatile Low-Profile Mount (LPM) lets you optimize placement and securely attaches to MIL-STD-1913 Picatinny or M-LOK rails. Activation is fast and reliable via the Z68 momentary/constant-on push-button tailcap. Built from lightweight aerospace aluminum with a MilSpec Type III hard-anodized finish and Oring seals, the M640U Scout Light Pro is rugged, weather-resistant, and ready for hard use.Marketing Points Ultra-high-output 1,000-lumen LED with long throw and useful peripheral spill Low-Profile Mount with hardware for Picatinny and M-LOK rails for optimal positioning Reliable Z68 tailcap switch for momentary and constant-on activation Durable aluminum body with MilSpec Hard Anodized finish and tempered window IPX7-rated sealing for confident performance in adverse conditions Specs Brand Name: SureFire Model: M640U Scout Light Pro Color: Tan Light Output: 1,000 lumens Peak Beam Intensity: 11,300 candela Beam Distance: 213 meters Runtime (High): 1.25 hours Power Source: Two CR123A lithium batteries Switching: Z68 momentary/constant-on tailcap Mount: Low-Profile Mount; hardware included for MIL-STD-1913 Picatinny and M-LOK rails Length: 5.5 in (13.9 cm) Bezel Diameter: 1.125 in (2.9 cm) Weight (with batteries): 4.4 oz (124 g) Construction/Finish: Aluminum; MilSpec Type III hard anodized Ingress Protection: IPX7 UPC: 084871329293 Manufacturer Part Number: M640U-TN-PRO 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.