Note: 1. Better wear laser goggles during usage and avoid touching the laser directly with your eyes and skin. 2. If your laser module has any problem, please DO NOT dismantle it freely. It will destroy the laser module. 3. If you have any quality problem with the machine, please feel free to contact us. Many operating problems can be solved according to your video and problem description. Thank you. 4. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Plug: UK Built-in Module Power: 5.5W/ 10W/ 20W/ 30W/ 40W (Optional) Focal Length: Adjustable Main Color: White ' Silver Main Material: Plastic ' Metal Model: T6 Wavelength: 450nm Image Format: Multiple File Format: svg, gcode Interface: Type-C OTA Upgrade: Support Compatible with GRBL: Support Item Size (without bracket): Approx. 292 * 290 * 67mm / 11.50 * 11.42 * 2.64in Item Weight (without bracket): Approx. 1342g / 2.96lbs Package Size: Approx. 36.5 * 35 * 13.5cm / 14.37 * 13.78 * 5.31in Package Weight: Approx. 2450g / 5.40lbs Package List: 1 * Laser Engraving Machine 1 * Pair of Goggles 2 * Bracket 1 * Cross Screwdriver 1 * Whiteboard Marker 1 * USB Cable (Type-C) 1 * Power Adapter 1 * Plug