The Realtree Mammoth is water resistent. The LED is 400 Lumens. You will get 35 hours of light as a 150 lumen flashlight and up to 18 hours as an area light on one full charge with the 4800 mAh lithium-ion battery (holds a charge for 7 years). Has a USB port to charge your mobile devices, Also has a micro USB port for rapid charging or you can use any light source to charge it with the solar panel. It also has a retractable 110/220 wall plug for charging while at home.Has a rotating magnetic base and 120 degree “flex head” allowing total access for when you need light the most. It is 9″ in length and 8.5 oz.