The Ozark Trail Triplex Lantern IPX4 is perfect for all your outdoor adventures. With a light output of 800 Lumens,the lantern brightens up the space you're in. This lantern features 3 modes of high,low,and extremely low for survival needs. The adjustable LED bulbs can last up to 48 hours at 30 lumens. Also featured is a 4000 mAh power bank for you to charge your devices. True to its name,there are 3 ways to charge the Triplex:USB rechargeable,Solar,and Crank. Leave the light out in the sun to trickle charge with the Solar panel,or use the Hand Crank on the bottom to quickly charge the lantern in a pinch. 1 minute of easy cranking (approx. 120 rpm) provides 8 minutes of light. Be sure to keep the Ozark Trial Triplex Lantern on hand for outdoor and emergency needs.