The Dorcy COB LED Headlamp features a COB LED that pushes 150 Lumens out of this compact and lightweight design. At the brightest setting the COB LED has an expected run time of 2.5 hours. This headlamp also features two red COB blinking LEDs and is powered by 3 AAA batteries (included). Dorcy COB LED Headlamp Black - Flashlights at Academy Sports