SUPER BRIGHT: This ultra-bright Slonik hard hat light emits 500 powerful lumens to cast a 30-foot beam. Zoomable flashlight beam from 10 to 90 degrees for different activities. Adjust angle from focused spot light to broader beam. 6 levels of brightness to choose from. USB RECHARGEABLE BATTERY: With a 2200mAh battery and charging cable included, this USB head flashlight is one of the essentials. Capable of running up to 8 hours on low mode, and 3.5 hours on high mode.