The PL-7 instrument provides extreme and dependable directional lighting with the Patent Pending process to alternate between all white lighting, directional laser lighting, red night vision lighting or International Emergency Pre-Programmed S.O.S. signaling with a single 2-in-1 switch. Super bright LED's and Lens: 2+ mile visibility. Center Directional Laser: 3+ mile visibility Aircraft grade, crush resistant aluminum with type III hard anodization for extreme corrosion resistance. O-ring sealed waterproof protection. Nylon belt holster 2 - CR-123A Lithium batteries: 20 to 40 hours burn time. Patent Pending Tactical Grip Knurled Design.