Features Good Compatibility: This laser module is designed for laser engraving and cutting. It is widely used in laser engraving machines and is compatible with most 2 axes, 3 axes and 4 axes controllers on the market. Protective Cover Design: The protective cover of this laser module can effectively filter blue light and UV rays from your eyes, making you feel more comfortable and safe when engraving without protective glasses. It also prevents animals from catching t Fixed Focus Design: This laser module has a fixed focus design with a focal length of 50mm, which is convenient to use without manual focusing. Wide Application: This laser module is suitable for engraving materials such as plywood, fabric, plywood, plastic, bamboo, paper, acrylic, food, ceramics, leather, cardboard, kraft paper. Excellent ABS And Aluminum Alloy Material: This laser module is made of excellent ABS and aluminum alloy material, which is very durable, not easy to wear and tear, and has a long service life. Specification: Item Type: Laser Engraving Module Material: Aluminum Alloy, ABS Output Power: 20W Working Power: 5.5W Wavelength: 450±5NM Input Voltage: 12V Applicable Materials: Plywood, Fabric, Plywood, Plastic, Bamboo, Paper, Acrylic, Food, Ceramics, Leather, Cardboard, Kraft Paper Package List:1 x Laser Engraving Module2 x Connection Cable1 x Manual1 x Acrylic Board Package List 1 x Laser Engraving Module 2 x Connection Cable 1 x Manual 1 x Acrylic Board