Features and ApplicationsBeautifully crafted with superior aircraft-grade aluminum alloy・ provide the added durability.There are 3 modes・ including high・ low and strobe・ simply press the switch button for switching to any modes・ meet various needs and environment.USB rechargeable built in lithium battery 18650 lithium battery(1800mAh)・ rotate the top cover to charge it with USB cable・ about 5-hour charging time for 2 to 6-hour working time・ no need to change the batteries・ again and again・ enjoy more lasting and environmental lighting life.Zoomable how to change the focus・ gently stretch the head to freely adjust・ 2-in-1 spotlight and floodlight・ great for long-distance observation and large area lighting.The maximum lumen up to 500・ enjoy enough brightness・ the LED lifespan reach to about 10・0000 hrs・ will not spend unnecessary money on a replacement. Great for hunting・ camping・ fishing or just daily lighting.