The uco tetra rechargable lantern with usb charger a rechargeable collapsible and highly water resistant ipx 5 lantern and flashlight doubles as a charger for usb devices such as a phone uco tetra rechargable lantern with usb charger features adjustable brightness up to 170 lumens burns on high for 5 hours or low for up to 120 hours rechargeable li ion battery dimming switch adjusts 3 lighting modes from high to low light to sos emergency strobe durable water resista