This item is a necessary accessory for DIY engraving machine. It is a professional laser head with high speed and high stability. Features: Professional laser head with high speed, high precision and high stability. Bright violet light, easy for locating when engraving. Adjustable laser head, easy to adjust, ensure engraving with good quality and high efficiency. Can be used to engrave bamboo, leather, cut paper, PCB or other flammable materials. Suitable for DIY engraving machine, easy to install. Note: 1. In order the laser head can work correctly, please use it with the corresponding machine. 2. We do NOT suggest you to use the laser head alone, because it may lead to inaccurate engraving & charred result. 3. Laser head is a kind of consumables, we suggest you to replace the laser head regularly to get stable engraving effect. Specifications: Material: Metal Light Color: Violet Power: 1500mW Wave Length: 405nm Input Voltage: 5V, 0.8-1A Laser Working Temperature: 500°C Item Size: 1 * 4.5cm / 0.39 * 1.77in(D * H) Item Weight: 18g / 0.65oz Package Size: 9 * 6.5 * 1cm / 3.54 * 2.56 * 0.39in Package Weight: 19g / 0.67oz Package List: 1 * Laser Head