Laser Type: Full solid semiconductor laser Power: Red 100mw, Green 40mw Wavelength: 650 nm green 532 nm red Color: Green Red Cooling: air-cooled Motor: N1.8 high precision stepper motor Power supply: 110V / 60Hz, 220V / 50Hz Working modes: voice, self-propelled Packing size: 260 * 180 * 120mm Weight: 2.5kg