Low voltage power supply, safe to use. Built-in 3200mAh battery supports wireless soldering and charging while in use. Features a C210 heating element that heats up in 10 seconds and melts tin within 10 seconds. PID precise temperature control for stable performance. Equipped with an HD screen to clearly display the soldering iron's working status. Ergonomic handle design, similar in size to a marker pen, lightweight and easy to carry. Temperature unit can be switched between °C and °F. Auto sleep function可 be set from 2 to 99 seconds. Includes temperature correction function with compensation range of ±80°C. Ideal for personal and home repair tasks. Product Parameters: Model Name: BK210 Tip Type: C210 integrated iron tip Temperature Range: 180°C - 450°C Auto Sleep Setting: 2s - 99s Temperature Compensation Range: ±80°C Power: 12W Weight: 75g Dimensions: Diameter 21mm, Iron Length 146mm Charging Voltage: DC 5V Charging Port: Type-C Color: Blue Material: Plastic Package Contents: 1 x Soldering Iron Set Note: The product may vary slightly in appearance or color due to different production batches; these variations do not affect functionality. Lighting and monitor differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3cm.