Lighthouse 600 Multi Functional Adjustable Light Perfect for Camping, Outdoor Events, or Emergency use Lumens USB Charging of Phones and Small Devices Long-Lasting Lithium Battery.CAMPING LANTERN: Directional and adjustable LED light, up to 600 lumens. Recharge the internal battery from any USB port, from the sun with a Goal Zero solar panel, or use the built in hand crank to charge up in an emergency. Hand crank charges at 1W (cranking at 130 RPM). 1 minute of crank can power the light for 10 minutes on a low setting. SOLAR CHARGER: Internal lithium battery boasts 5200 mAh with a USB output, enough power to charge phones,