1. Low voltage power supply for safe operation. 2. Built-in 3200mAh battery supports cordless soldering and simultaneous charging during use. 3. Equipped with C210 heating element, heats up in 10 seconds and melts solder in 10 seconds. 4. PID precise temperature control for stable temperature performance. 5. High-definition display shows real-time working status clearly. 6. Lightweight handle, similar in size to a marker pen, for easy portability. 7. Temperature unit switchable between °C and °F. 8. Adjustable automatic sleep timer: 2 to 99 seconds. 9. Temperature correction function allows compensation within ±80°C. 10. Suitable for personal and home repair applications. Product Parameters: Model Name: BK210 Soldering Tip: C210 integrated tip Temperature Range: 180°C–450°C Auto-Sleep Time: 2–99 seconds Temperature Compensation Range: ±80°C Power: 12W Weight: 75g Dimensions: Diagonal length 21mm, iron length 146mm Charging Voltage: DC 5V Charging Connector: USB Type-C Material: Plastic Color: Blue Package Contents: 1 x Soldering Iron Note: Due to production updates across batches, minor variations in appearance or color may occur without affecting functionality. Slight color differences between product images and actual items may result from lighting conditions and screen settings. Measurement tolerance: ±1–3cm.