The Hybrid Puc Expandable Solar Lantern is a portable and light weight lantern that can also double as a flashlight when collapsed. It’s a versatile and water resistant lantern that shines at 75 lumens. A full charge provides 40 hours of light and holds a charge for 7 years. The USB port makes charging your mobile devices quick and easy. The lantern also has a Micro USB port for charging or any light source will keep your Puc charged through the built-in solar panel. The Puc measures 5.3” when opened as a lantern and only 2” when closed as a flashlight. This lantern is ideal for backpacking because it only weighs 7oz and it has a fold down metal hangar to hang anywhere.