Compatibility: Only compatible with 80W and 80W+ CO2 laser engravers (Not compatible with OMTech Proline). Cutting Edge Features: LASER PATH INDICATOR: OMTech's precision-engineered laser locator sends a 500-700nm visible red laser along the same path as your engraving machine's invisible 10.6μm beam, letting you easily see its course from tube to substrate WIDE APPLICATION: This 5V red laser tool precisely fits and accommodates all Yongli A and H series CO2 laser engraver tubes from 80W to 400W DURABLE CONSTRUCTION: The aluminum casing of this laser targeting device is carefully constructed to ensure years of dependable and corrosion-free performance COMPACT DESIGN: Our advanced red beam assist quickly and easily installs right onto your laser tube thanks to its compact size and light weight SETS UP QUICKLY, LASTS YEARS: This red beam indicator comes with OMTech's usual strong warranty and friendly 24/7 customer service to provide a worry-free purchase, easy installation, and long service life! Specifications: Material: Aluminum, ABS Color: Red Input Power: 5V Net Weight: 10.6 oz. (0.3 kg) Package Includes: 1 x Red Beam Indicator 1 x Battery Box 1 x User Manual Warranty: No need to worry! We offer a 6-month warranty on this accessory. Certifications: FDA Compliant CE Certification ISO9001 Quality Certification Summary: Need a visible guide to trace the path of your CO2 laser engraver's cutting beam? This red dot locator by OMTech lets you easily visualize your machine's engraving laser path so that you can see every step and make precise adjustments where necessary. This will allow you to improve the quality and speed of your work!