Bushnell T300L AD Rubicon 4AA Square Beam Flashlight Quality optics with stunning HD clarity 100% quality materials used and tested extensively Beautiful design and durability built to last 330 lumens (on Hi); HD light with full intensity from edge to edge Red Halo low-lumen mode designed to enhance sight without compromising natural night vision 1.15-hour/38-hour/14-hour run time (depending on setting); 136 m beam distance (on Hi) Regulated circuit delivers consistent brightness throughout the battery lifecycle Requires 4 AA Batteries