iKier K1 Pro Max 48W Laser EngraveriKier Black Technologies: 48W 24W Laser Power Switching Motorized Z axis and auto focus Auto Sinking Cutting Resume Engraving Engraving Speed up to 900mm s Main Features: 48W 24W Laser Power Switching: The World's First Gear Switching Laser Module. When you need to cut, you can use the 48W gear, and the laser power is fully turned on; when you need to engrave, you can use the 24W laser gear, and the engraving is more precise. Engraving speed up to