The Nextorch Viker Star High Output Multi-Mode LED Headlamp has power up to 140 lumens up to 12.5 hours. The visibility of the Nextorch Viker Hands Free Flashlight is up to 70 meters. With high, low, and SOS settings, you're sure to be successful. You can adjust the light up to 90°. The adjustable headband keeps you comfortable, while the three AA batteries keep you charged up. The Nextorch Viker Headlamp is water resistant, compact, lightweight, and has a magnetic control switch.