Up to 40 lumens (1 Watt Luxeon) / 80 lumens (3 Watt Luxeon) Precision Machined Aircraft Grade Crush Resistant Aluminum DC-DC Regulated Circuit provides Maximum Light Output throughout the Entire Battery Life Battery Type 2x 3V CR-123A lithium battery Burn Time 3 hrs (1 Watt) 1hrs (3 Watt) |