Helmet-mounted Multi-function Dual-light FlashlightThe NSP 4650B Helmet mounted Multi Function Dual Light Flashlight is the most versatile choice for helmet mounted hands free lighting. The 4650 outshines the competition with its powerful 220 lumen tightly focused Flashlight and a beam distance rating of 183 meters (600 feet). The user can choose from two additional lower lumen settings at 100 or 30 lumens for the ability to dial in just the right amount of concentrated light. But the 4650's lighting