Feature: 1. WIDE APPLICATION: Universal laser module set, can be used for laser cutting machine, laser engraving machine, CNC equipment, DIY laser, etc. 2. EYE PROTECTION: Equipped with a protective cover, no need to wear additional protective glasses, while preventing pets from grabbing the laser spot. 3. ACCURATE FOCUSING: Upgrade fixed focus laser, no need to focus, and 0.23x0.23mm ultra thin laser focus makes engraving more powerful and accurate. 4. DURABLE MATERIAL: Using excellent aluminum alloy material, aviation aluminum TTL driver board, with cooling fan, to ensure long term continuous work. 5. APPLICABLE MATERIALS: Can engrave wood, bamboo, cardboard, plastic, leather, alumina, etc., can cut non woven fabrics, veneers, acrylic and thin plastic sheets, etc. Specification: Item Type: Laser Module Shell Size: Approx. 40 x 40 x 90mm / 1.6 x 1.6 x 3.5in Material: Aluminum Alloy Circuit Board: 12V PWM modulation board Circuit Board Size: Approx. 40 x 40mm / 1.6 x 1.6in Working Temperature: 0℃~70℃ Working Mode: Pulse work Laser Beam Mode: Fixed Focus Spot Size: 30mm