Easy Laser Alignment: OMTech's CO2 laser alignment tool emits a bright and safe 650 nm red beam to let you precisely visualize and adjust your engraver's laser path.Please note: This laser pointer is not compatible with OMTech's K40+, Polar, Pronto, or Pro Series, or with machines from other brands Wide Compatibility: This 5mW alignment tool works perfectly with OMTech's 50W, 60W, 80W, 100W, 130W, and 150W CO2 laser engraving and cutting machines for optimal laser alignment. (Please ensure that you check compatibility specifications below before making a purchase.) Precision Optical Adjustment: The precision of this quicker and safer alignment tool is amplified by its compact 0.5 mm beam spot, ensuring accurate alignment throughout its 7000 hour lifespan. Easy Installation: The straight collet allows this upgraded CO2 laser alignment tool to be installed or removed swiftly without the need for additional tools. Provided Batteries: This laser alignment tool comes with a total of 10 LR44 / AG13 batteries to get you started right away. Ever thought you could easily adjust the invisible marking ray? OMTech's specialized CO2 laser alignment tool makes that happen! Working perfectly with OMTech's 50W, 60W, 80W, 100W, 130W, and 150W CO2 laser engraving and cutting machines, our 5mW mirror alignment tool lets you see the laser beam clearly so that you can make precise adjustments where necessary to improve the quality and speed of your work. Simply replace your engraver's focus lens housing with this laser alignment tool, put on your protective eyewear, press the power button, and start aligning the mirrors in reverse order. Once you're done, just turn it off, replace your focus lens, and you're ready to get back to engraving! 10 LR44/AG13 batteries come included for your immediate use. Take greater control over your cutting and engraving work by adjusting its marking beam with this dependable red laser pointer from OMTech!