The SureFire M640DF-BK-PRO Tactical Weapon Light delivers unparalleled performance with a powerful output of 1500 lumens, ensuring maximum visibility in critical situations. Designed for versatility, this dual fuel flashlight supports both 2 CR123A batteries and a single SF18650B rechargeable battery. Engineered for easy attachment, the M640DF features both Picatinny and M-LOK mounts for seamless integration with various tactical setups. 1500 Lumens for intense illumination Dual Fuel option for flexible power sources 1913 Picatinny Mount for secure attachment M-LOK Mount compatible for versatile mounting On/Off Tail cap for quick activation Enhance your tactical gear with the SureFire M640DF-BK-PRO for reliability and superior performance.