POWERFUL HIGH LUMENS WHITE LIGHT- A set of 5 high performance LED bulbs give you the brightest illumination up to 100,000 hours, and you& 39;ll be able to see up to 1640 feet (500 meters) away even when it& 39;s pitch dark.^ RECHARGEABLE & LONG-LIFE BATTERY - Never buy batteries again. Our headlamp is powered by 2x 3.7V 18650 rechargeable batteries, up to 8 -10 hours working time under full charge.^ ADJUSTABLE FOCUS - When you want to focus on a specific object, zoom in to project a bright spotlight. Zoom out and you easily turn your beam into a wide floodlight that& 39;s ideal for lighting up an entire room or a campsite.^ 4 MODES TO CHOOSE - Our headlamps has 4 modes: Middle XM-L T6 LED on, 4-Side XPE LEDs on, 4 LEDs all on, Strobe. The rear red indicator light on the battery pack plays a good warning role at night, ensuring your safety when you work under bad weather.^ WATERPROOF & ANGLE ADJUSTABLE - Durable aluminum alloy crust, abrasion resistant and IPX5 waterproof. No need to worry about using it in all kinds of rain weather. Head up and down we can adjust the headlamp to 90 degrees, controling the lighting position, using it more conveniently and flexibly.