This item is a necessary accessory for DIY engraving machines. It features a professional laser head designed for high speed, high precision, and high stability. The bright violet light makes it easy to locate during engraving. The adjustable laser head allows for quick and easy focusing, enabling efficient engraving performance. It can be used to engrave materials such as bamboo, leather, paper, PCB, and other compatible surfaces. Suitable for DIY engraving machines, it is easy to install. Material: Brass Color: Yellow Light Color: Violet Power: 1500mW Wavelength: 405nm Input Voltage: 4.5–5V Diameter: 12mm Laser Working Temperature: 500°C Item Size: 1 x 4.5cm (0.39 x 1.77in) (D x H) Item Weight: 18g (0.65oz) Package List: 1 x Laser Head Note: Light and display settings may cause slight variations in color between the image and the actual item. Measurement error allowance: ±1–3cm.