Rechargeable lithium ion battery Stand it upright or hand it with its D-ring on base of lantern to use as an overhead light Removable Glare Guard allows for task lighting This rugged, rechargeable, 1,100 lumen outdoor lantern also provides an auxiliary USB power source to charge your USB devices. For softer lighting, use the low mode and extend your white light runtime to over 36 hours. Plus it&';s waterproof, and it floats!table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }