Features: brand new high quality Made of high quality material, durable The voltage knob can be adjusted in both directions to adjust the temperature of the soldering iron. There is a knob to adjust the voltage at the bottom, and the adjustment range is 3.3V-4.8V. The soldering iron interface can be connected to a soldering iron and charged. Copper alloy soldering iron, fast heat transfer, fast heating up. The power button has a prompt light, press the power button, the light is on. During use, the button light flashes to indicate low battery. Need to recharge. For small-scale circuits, electrical accessories, welding, jewelry repair, DIY enthusiasts, etc. Convenient and practical, it is a perfect gift for friends in need. Fine workmanship and good performance. Product parameters: Material: aluminum alloy Power: 8W Voltage adjustment range: 3.3V-4.8V Standard soldering iron tip: 510 interface Color: black, blue, silver, red (optional) Package Included: 1 * voltage regulating battery electric soldering iron (built-in lithium battery) 1 * Soldering Iron Tip 1 * Soldering iron stand 1 * charging cable 1 * English instruction manual Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data. Features: brand new high quality Made of high quality material, durable The voltage knob can be adjusted in both directions to adjust the temperature of the soldering iron. There is a knob to adjust the voltage at the bottom, and the adjustment range is 3.3V-4.8V. The soldering iron interface can be connected to a soldering iron and charged. Copper alloy soldering iron, fast heat transfer, fast heating up. The power button has a prompt light, press the power button, the light is on. During use, the button light flashes to indicate low battery. Need to recharge. For small-scale circuits, electrical accessories, welding, jewelry repair, DIY enthusiasts, etc. Convenient and practical, it is a perfect gift for friends in need. Fine workmanship and good performance. Product parameters: Material: aluminum alloy Power: 8W Voltage adjustment range: 3.3V-4.8V Standard soldering iron tip: 510 interface Color: black, blue, silver, red (optional) Package Included: 1 voltage regulating battery electric soldering iron (built-in lithium battery) 1 Soldering Iron Tip 1 Soldering iron stand 1 charging cable 1