LP846B General Specs Material Aluminum Laser Color Purple Max. Output Power 5mw Wavelength 405nm Power Supply 2*AAA battery (not included) Operating Voltage DC 3V Working Current <250mA Features Durable aluminum case. Universal focusing design. Continuous output. Package Details Weight: 114.49 g Size: 17.8*5.8*2.6 cm Package Includes 1 × Laser Pointer