The Puc Expandable Lantern is a portable and lightweight lantern that can also double as a flashlight when collapsed.It's a versatile, water-resistant lantern that shines at 150 lumens. You'll get 40 hours of light on one full charge from the 2000 mAh rechargeable lithium-ion battery (holds a charge for 7 years).The Puc has a USB port for charging your mobile devices. It also features a Micro USB port for rapid charging or you can simply use any light source to keep your Puc charged through its built-in solar panel.The Puc measures 5.3" when opened as a lantern and only 2" when closed as a flashlight. The lightweight design also comes in at 7oz. It also includes a fold-down metal hanger hook to hang the Puc from most anything and anywhere.