Low voltage power supply, safe to use. Built-in 3200mAh battery, supports wireless welding and charging while in use. Features C210 heating element, heats up in 10 seconds and melts tin in 10 seconds. PID precise temperature control for stable temperature performance. HD screen displays soldering iron working status clearly. Ergonomic handle design, similar in size to a marker pen, lightweight and easy to carry. Switchable between C and F. Auto sleep function from 2 to 99 seconds. Temperature correction function allows compensation within 80. Ideal for personal and home repair tasks. Product Parameters: Model Name: BK210 Tip Type: C210 integrated iron tip Temperature Range: 180C - 450C Auto Sleep: 2s - 99s Temperature Compensation Range: 80C Power: 12W Weight: 75g Dimensions: Diagonal length 21mm, iron length 146mm Charging Voltage: DC 5V Charging Port: Type-C Color: Blue Material: Plastic Package Contents: 1 x Soldering Iron Set Note: Other items not included. Note: Slight variations in color may occur due to lighting and display differences. Product may vary slightly in design or color between batches, which does not affect functionality. Measurement error allowed within 1-3cm.