Lightweight with aluminum body.Total Luminous Flux (lm):Max 80Outer Diameter x Total Length (mm):44 x 170Power Supply: AA Dry Battery (4 pieces) sold separatelyMax Lighting Time When Using Alkaline Battery 10 Bulbs: Approx. 15 Hours, 3 Bulbs: Approx. 37 HoursTotal Luminous Flux: 3 balls 30lm, 10 balls 80lmMain body: AluminumStrapNylon Bag