Check the listing for details. LASERTREE K60 Laser Head Module 60W Optical Power for DIY Engraving Cutting Tool. Condition: New. Listed at 845.06 USD. Store CategoriesStore CategoriesLaser ModuleLaser Engraving MachineLaser DiodesFiber Coupled LasersFiber Coupled Laser DiodeAccessoryLaser Phosphor ProductsLensOtherLASER TREE K60 60W/40W/20W Power Switchable Laser Module for Laser Engraving and Cutting Product Description Parameter: Power switching: When engraving is 20W , want to do cutting can long press 5s to switch to 60W. When switching, there is an indicator light visible, and the light spot will change. Cutting ability: Package List： 1* Laser module 1* Drive adapter2.0 & input cable 1* Sliding Plate 2* Spare Protective Lens 2* Adjusting Screw M4*30 1* Power Adapter 1* Power cable 1* Air tube 1* 2mm L-wrench Air pump : The air pump is an essential part of the laser module with air assisted. It provides a steady high-pressure airflow to blow away smoke and obtain clean-cut edges; Protecting the laser head's lens from contamination and extending the laser head's service life. In addition, it can improve the efficiency of laser processing and thus save your time. Features: 1. High-quality Materials: metal nozzle, resisting high temperature. 2. Large and Steady Air Output: Adjustable airflow of 0-27L/min, blowing away smoke and residue produced during laser processing, cut deeper、faster and cleaner. 3. Low Noise & Low Vibration: Anti-slip& damping feet keep the body stable and reduce the vibration noise effectively. 4. Rapid Heat Dissipation: Aluminum alloy shell, strong heat dissipation, long lasting and more durable. 5. Plug and Play: please select the correct version of EU/US/AU plug. Specification: Air output: ≥26L/min Voltage：DC24V Current: 950mA Pressure: ≥28kPa Environmental temperature: -20℃-40℃ Environmental humidity: