CO2 Laser Beam Alignment Tool This OMTech laser engraver alignment tool can help you align your CO2 laser mirrors without the hassle of pulsing your laser on flammable tape. This CO2 laser alignment tool easily attaches to your laser head, emitting a visible 650 nm bright red laser beam that bounces off of each laser mirror in reverse order, allowing you to align the mirrors faster with instant feedback. Its clear design and detailed instructions guide easy setup and use. How to Align CO2 Laser Mirrors with a Laser Alignment Tool Simply remove your laser engraver's focal lens housing and replace it with this laser alignment tool using the screw-in threading, put on your protective eyewear, press the power button, and start aligning the laser mirrors in reverse order. Once you're done, just turn it off, replace your focal lens, and you're ready to get back to engraving! A CR1632 battery comes included for your immediate use. CO2 Laser Mirror Alignment With the OMTech Laser Alignment Tool, you can visualize the laser path and make precise adjustments to improve the quality and speed of your laser engraving projects in less time! Take greater control over your laser cutting and engraving work with this dependable CO2 laser alignment tool from OMTech Laser! COMPATIBILITY: Compatible with OMTech CO2 Laser Engravers 50W and above (except the 80W 20x28 inch with autofocus) SPECIFICATIONS: Laser Wavelength: 650 nm Rated Power: 5mW Battery Type: CR1632 Lithium Threading: M22 x 1 Dimensions: 1.5" x 0.94" (37 x 24 mm) Net Weight: 2.1 oz. (60 g) Warranty: 1 Year PACKAGE LIST:  1 x CO2 Laser Alignment Tool 1 x CR1632 Battery 1 x Instructions DOWNLOAD THE INSTRUCTIONS