The ARGO is one of Streamlight's most powerful, longest throwing headlamps. With a maximum throw distance of 190 meters, you willbe able to illuminate objects from very far away. This is a light for professionals who cant be held back by their lighting device, perfect for hardware, automotive, technicians, outdoor/sporting use, and much more. The ARGO offers three modes of operation to fit whatever the situation, and the adjustable elastic headband is incredibly comfortable even after many hours of use.