Uco tetra rechargeable led lantern usb charger green light up your campsite or workspace with the tough water resistant tetra usb charger lantern flashlight delivering maximum brightness and functionality in a 43 oz package its loaded with 170 lumens and a range of brightness levels transform the tetra into a focused beam by pushing the head down and then charge your digital devices through its usb charging port when its long lasting rechargeable battery needs a boost juice it