I love this thing! I have one in three (3) different bags, one my car bag because it is so unique! The LuminAID Solar Light is an inflatable, solar powered lantern that has as many uses as a prepper has bags. Built with a high efficiency mono-crystalline solar panel and a lithium-polymer ion battery, the LuminAID can be used and recharged for hundreds of cycles giving you more than 10,000 hours of light in its lifetime. Also equipped with a dual mode LED, the LuminAID will provide up to 16 hours of light on low or 10 hours on high after a 7 hour charge in direct sunlight. When not in use the LuminAID folds down into a compact design, about the size of a cell phone, allowing for it to be stored or attached to gear for easy charging. Completing the design is the LuminAID’s inflatable and waterproof housing which allow it to float and withstand the elements in any environment, which make this the perfect companion for your hiking and camping trips or as an addition to your survival or emergency gear. I keep one in the pocket of my sailing jacket because should something happen THIS will assure I am seen first!