Brand N/A Model N/A Quantity 1 Color Silver Material Zinc alloy Laser color Red Laser Power 5 mW Wave Length 650 nm Excitation Mode Electric Excitation Working Mode Single pulse Working Voltage 4.5 V Working Current Spot Mode (Spot size) 0.25cm Battery Configuration 3 x AG3 (included) Functions Widely used in teacher education training command projection electronic teaching and academic meetings occasions Other Feature 4-in-1 red laser + LED white flashlight + black ink ball pen + telescopic pointer; Laser distance: >200m; The pointer length up to 40cm; Laser range up to 200m Packing List 1 x Laser pointer pen 3 x AG3 batteries 1 x Metal case