High Output LED Flashlight. 4 3/4" overall. Black anodized aluminum construction with removable pocket clip. C4 white LED. 3 electronic modes. High mode - 180 lumen output, 2.5 hour burn time per battery set. Low mode - 10 lumen output, 50 hour burn time per battery set. Strobe mode - 6 hour burn time. Impact-resistant tempered glass lens. Water resistant to 1 meter. Rubber push button tail cap switch. Uses two CR123A lithium batteries (included). Black nylon belt sheath.