The Brunton Glacier 69 Headlamp features precision dimming mode that let's you dial-in the exact power beam you're looking for and an advanced power management system ensures the lamp won't burn too high as the battery level starts getting low.On-board battery indicator clues you into how much you have left to burn. Ultra efficient green light mode keeps you unseen in the field and is easier on the eyes of your camp-mates than standard red LEDs. Brunton Glacier 69 Headlamp 3 AAA Batteries Brunton Warranty