LE Rechargeable LED Camping Lantern, 4400mAh Power Bank, 330lm, Dimmable, Small Tent Light with Magnetic for Outdoor, Hiking, Fishing, Emergency and More Dimmable: Maximum illumination is 330 lumen. You can adjust its brightness infinitely from 0% to 100% by toggling the gear switch. Rechargeable: 4400mAH built-in rechargeable battery, you can take it to anywhere you need a handy light. A row of blue indicator lights show you the power level. Power bank: With a USB charging port (5V 1A), it can service as a power bank for your smartphone or mobile devices in emergency. Support 5V DC charger adapter (not included), not compatible with adapter over 5V voltage. Magnets & Strip: There are magnets on the base if you want to stick this to a metal surface, like a bike, car or a tent pole. You can also hung it with the velcro strip. Cpmpact: This small and compact design light with a light weight (0.51lb/230g), you can put it into your handbag or backpack without taking up a bunch of space, perfect for camping, working, fishing, dog walking, and emergency lighting.