BESTSUN 2000Lm CREE XM-L T6 LED Zoomable AA Battery Powered High Lumen Headlamp Adjust Focus Headlight Producing a unltra bright beam of light by CREE LED Extensive Lifetime of LED (10,000 hours) Many usage of an LED headlamp such as camping, backpacking, hunting, fishing, Emergencies and home repairing Adjustable headband with a soften pad for forehead,It is the top-level equipment for biking player who must buy it Zoomable ,Adjustable ,Durable ,Hands-free ,Comfortable. 3 Modes Low, Mid, Strobe. Stretch out or draw back the headlamp, the beam can be focused to a square light or spread out.