The Realtree 250 Hybrid Flashlight is a water-proof flashlight with a 250 Lumen super bright LED. 18 hours of light in one full charge with the 4800 mAh lithium-ion battery (holds a charge for 7 years). It has a USB port for charging your mobile devices, a micro USB port for rapid charging the flashlight, or you can use any light source to keep your flashlight charged through its built in solar panel. Measures 8.5″ in length and weighs 7oz.