Feature: 1. Superior Material Quality: The portable electric soldering iron pen is crafted from high-quality stainless steel, ensuring durability and a fine finish that withstands the test of time and use. 2. Adjustable Temperature Control: With three adjustable temperature settings, the pen solder iron allows you to fine-tune the heat according to your specific needs, making it versatile for various soldering tasks. 3. Rapid Heating Capability: Achieve operational temperature in just 30 seconds with the mini soldering iron kit, significantly reducing waiting time and enhancing your soldering efficiency for quicker project completion. 4. Convenience at Its Best: Experience the ultimate convenience with the battery cart pen, a cordless design that is lightweight and compact, making it an ideal choice for beginners, professionals, and hobbyists alike. 5. Wide Application & Portability: Designed for versatility, the smart power pen can be used for a wide range of applications including DIY projects, electrical repairs, and circuit board soldering, all while being easy to carry and use on the go. Specification: Product size: 87.00x11.20x11.20mm/3.43x0.44x0.44inch Material: Stainless steel Color: Black, White, Orange, Red, Blue, Pink, Gold, Green, Silver, Purple Instructions: 1. Press the power button 5 times in succession to turn on/off 2. Press the power button twice continuously when the power is on to enter the preheating mode (automatic heating) 3. When the power is on, press the power button three times in succession to enter the gear shifting position, switching between 3 gears, red is the largest gear, and green is the smallest gear. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Package included : 1 X Soldering Iron 1 X USB Head Note: Due to manual measurement, please allow an error of 1-3mm. Please ensure that you do not mind before bidding. Due to the differences between different monitors, the images may not reflect the actual color of the item. Please refer to the actual image received. Thank you very much.