Cutting edge light from Cree Xlamp® XR-E LED. 190 lumens of light output on high, 100 lumens on low. 60 hours of run time on low, 25 hours of runtime on high. Operates on 4D batteries, not included. 6V XPS rechargeable battery pack optional. Diffuser tube for perfect beam pattern. Weather resistant to withstand the elements. Product Weight (dependent on Power Source): 29.7 - 39.8 oz. Dimensions: 10.1H X 5.1W.