Follow A New Trajectory. The Dual Fuel Scout LightA(R) Pro unites the combat-proven elements of the M600DF Scout LightA(R). SureFire's new Low-Profile Mount (LPM) delivers unprecedented versatility allowing the user to optimize the light's position relative to the rail. Rugged and reliable the LPM easily and securely attaches to any MIL-STD-1913 or M-LOK rail. The Dual Fuel's recoil-proof ultra-high-output LED delivers 1200 lumens of blinding white light with 123A batteries or 1500 lumens of light with the 18650 rechargeable lithium-ion battery and its Total Internal Reflection (TIR) lens creates a hybrid beam pattern with plenty of reach and ample surround light. It's ideal for close- to longer-range applications. Constructed of lightweight aerospace aluminum Mil-Spec hard-anodized and O-ring sealed to keep out the elements the Dual Fuel Scout Light Pro is a new twist on a legendary WeaponLight system.Features: The flagship Scout Light Pro rifle-mounted WeaponLight New Low-Profile Mount allows optimum light positioning; ideal for use with other rail-mounted accessories Delivers up to 1500 lumens of white light for close- to long-range tactical applications Dual fuel light - can be powered by an 18650 lithium-ion rechargeable battery or two 123A lithium batteries Generates up to 1500 lumens of TIR-focused light with included 18650 or 1200 lumens with 123A batteries Versatile Low-Profile Mount (LPM) allows the user to optimize the light's position relative to the rail Virtually indestructible ultra-high-output LED TIR lens shapes versatile beam with enough reach and surround light for close-to longer-range operations