Surefire M600 Ultra Scout Light Ultra-High-Output LED Weaponlight M600U-Z68-BK 600 Lumens w/ 2x Surefire CR123A and Bonus Lightjunction Battery Case Max Output - White Light: 600 lumens Tactical Runtime: 1.5 hours Length: 5.4 inches Bezel Diameter: 1.125 inches Includes: M600 Ultra Flashlight, 2x Surefire CR123A and Bonus Lightjunction Battery Case