Model LZZ-103A Quantity 1 Color Black Material Harden aluminum Laser color Blue-violet Laser Power 5 mW Wave Length 405 nm Excitation Mode Optical Pump Working Mode Continuous laser Working Voltage 3 V Working Current 350 mA Spot Mode (Spot size) Min diameter Battery Configuration 2 x AAA (included) Functions Widely used in laser pointing education demonstration laser locator teaching command the instructions of the report and meeting architecture exhibition tube instructionsetc Other Feature Fixed focus continuous output and using life more than 5000 hour; Circuit control: APC circuit Packing List 1 x Laser pointer 2 x AAA