Features 1、This TwoTrees COS 20W Laser Module Kit is perfectly suitable for TTS/TTS Pro laser engraving machines, providing incredible versatility to your engraving projects. 2、Offering a 20W laser power generated by built-in 4pcs 5.5W beam compressed laser diodes, our module kit has the ability to cut through 10mm basswood/plywood, 8mm black acrylic or 15mm pine all at once. 3、Our upgraded module features a much lighter construction compared to its predecessor, allowing for improved engraving efficiency. 4、The TwoTrees COS 20W Laser Module Kit comes with a reserved spot for air-assist installation which helps with reducing heat and removing debris for cleaner cuts and prolonged lifespan of the equipment. 5、Safety is prioritized in our design with a built in eye protection shield, eliminating the need for additional safety glasses and providing peace of mind while you work on your projects. Specification Model: TTS-20W Optical Power: 20W Input Voltage: 24V Spot Size: 0.08x0.08mm Electric Power: 130w Wavelength: 450nm±5nm Product Weight: 330g Package List 1 x TwoTrees 20W Laser Module Kit