"Temperature Adjustable" Unlike traditional electric pens, the YIHUA 930IV allows for temperature adjustment, making it easier to control the shading of your burns! Whether you're a master or a beginner, feel free to use it and enjoy your DIY time at your own pace. "Heat-Resistant Handle" An umbrella-shaped radiator is attached to the front of the pen to protect your hand from the heat of the pen tip. "Non-Slip Material" The pen handle has a non-slip soft grip, providing a better drawing experience and feedback. "YIHUA - A Safe and Reliable Choice" This product includes high-quality accessories and tools, offering a comfortable working experience. Special service on Amazon Japan: You can receive a maintenance warranty within one year from the date of purchase. We are open year-round, so if you have any questions, please feel free to contact us on Amazon. Thank you. Note: The power supply can be used with 100V-110V. For safety, please do not use the power supply with 200V-240V. #Woodburning