Light Modes - Our LED headlamp flashlight has 3 white light modes of brightness to meet your daily needs: COB High Mode, COB Low Mode and COB Strobe Mode. And the on/off button allows you to easily cycle through the 3 light modes. Battery Powered - Headlamp Flashlight Powered by 3 AAA batteries (batteries are not included), the head light will last for a long time of continuous use. An adjustable headband and soft rubber battery compartment make running headlamp comfortable to wear. Bright Headlamp - Wide Beam LED Headlamp - This bright COB headlamp offers a 220 wide-angle illumination instead of lighting up only a small area in front of you, our headlight has upgraded light source with high lumens output for maximum brightness. Widely Used - Head lamp fits many applications such as camping, running, working, hiking or anything else you need a powerful light.The on/off button at the back of the battery compartment will also light up in red at the same time when the headlight is on.