Be bright and go hands free with the Streamlight E-Flood LiteBox HL Vehicle Mount System! This headlamp by Streamlight produces 540 lumens of light that reaches 172 meters The Streamlight ProTac HL Headlamp w/ 540 Lumens is designed for maximum illumination with a wide beam to light an entire area When your task requires both hands and a bright light with a wide, flood beam, don't forget to bring along the Streamlight ProTac HL Handsfree Headlamp