MATERIAL : DIE CASTING AIRCRAFT ALUMINUM BODY + PLA10STIC LIGHT SOURCE :10 W CREE XML-T6 OPERATION: 100% LIGHT- 50% LIGHT-STROBE LUMINOUS FLUX :600 LMS PRODUCTS WEIGHT(NOT INCLUDING THE BATTERY) :839 G PRODUCTS SIZE: 90X140X200 mm Batteries : Built-in 3.7V Li