Descriptions: This electric soldering iron is an essential tool for electronics engineers. It's mini and lightweight in design; and the operating handle and tip are easy and convenient for use. Users can adjust the temperature from 220-400C freely by rotating the knob. Features: Small size, lightweight and convenient to carry. Adjustable temperature range from 220-400C. High heating efficiency(Melting tin only takes 7s, when it works on 12V 3A) Using DC 12-24V for power supply, with DC 5.5x2.1mm interface. Comfortable operating handle, easy to replace the soldering tip. Great and essential soldering tool for electronics engineers Note: The power supply is not included, please prepare power supply adapter with DC 12-24V output & 5.5x2.1mm interface by yourself. Specifications: Color: Black/White/Blue Input Range: DC 12-24V 3A Power: 75W (MAX) Universal Power Input Interface: 5.5x2.1mm Standard Interface(Inside=positive; outside=negative) Temperature Adjust Range: 220-400C Installed Size (Handle+Tip): 18x2.2cm Quantity: 1 Set Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 x Mini Adjustable Electric Soldering Iron 1 x T12-K Soldering Tip