Brand N/A Model MY-05 Quantity 1 Color Red Material Aluminum alloy Laser color Red Laser Power 3 mW Wave Length 650 nm Excitation Mode Optical Pump Working Mode Continuous laser Working Voltage 3 V Spot Mode (Spot size) Spot diameter: Battery Configuration 3 x LR41 batteries (included) Functions Great for teachers professors doctors etc use. Other Feature 1-LED white flashlight and 1-LED red laser pointer; Black ink ball pen and stylus pen function (For capacitance screen); Red dot continuous output life time is more than 5000 hours. Packing List 1 x Laser pointer