Bushnell T300L Rubicon 4AA Flashlight Quality optics with stunning HD clarity 100 percent quality materials used and tested extensively Beautiful design and durability built to last 371 lumens (on Hi); energy efficient Cree LEDs Red Halo low-lumen mode designed to enhance sight without compromising natural night vision 2.25-hour/50-hour/28-hour run time (depending on setting); 114 m beam distance (on Hi) Locking collar prevents unintentional battery use; low setting reduces brightness to offer longer run times Requires 4 AA Batteries