1. ### Features - Multi - speed adjustment: The switch button can cycle among 1 - 3 gears. The 4th gear is for load display, which can prevent the grinder from being damaged. - Protection function: It has temperature control protection, charging protection, and over - voltage protection, which can extend the service life of the grinder. - Anti - jitter: The chuck is firmly clamped, the rotating spindle is tightly connected, and the concentricity is high, ensuring accurate drilling and carving. - USB charging: It is equipped with a built - in 300mAh rechargeable battery with a large capacity. After being fully charged, it has a long battery life. You can charge the grinder using devices such as a computer or a power bank. - Applicable scenarios: It can be used for grinding work such as grinding/polishing/carving/drilling/cutting, as well as in industries such as mold polishing, handicraft trimming and shaping, and deburring of die - castings. 2. ### Specifications - Product name: Electric carving pen - Colors: Silver, rose gold - Material: Aluminum alloy - Dimensions: Approximately 120 * 16 mm/4.72 * 0.63 inches (length * width), 2.35 mm/0.09 inches (clamping range), 25 mm/0.98 inches (chuck depth) - Power supply method: 300mAh rechargeable battery (included) - Display screen: LED - Rotation speed: 5000 - 10000 - 18000 - Power: 10W - Battery voltage: 4.2V 3. ### Package contents - 1 electric carving pen - 3 cutting discs - 1 support column - 20 grinding heads - 16 carving templates - 1 USB charging cable - 1 English instruction manual 4. ### Precautions - Due to differences in light and screen, the color of the product may vary slightly from the picture. - Due to manual measurement, an error of 0.5 - 2 cm is allowed.