Feature: 1. There is a knob at the bottom to adjust the voltage, The adjustable range is 3.3V-4.8V. 2. Soldering iron interface, can be connected with a soldering iron t-ip and a charging t-ip. 3. Copper alloy soldering iron tip, quick heat transfer, quick temperature rise. 4. The power button has a prompt light, press the power button, the indicator light is on. 5. During use, the button light flashes indicates the battery low. Need to c-harge. 6. Two-way adjustment of the voltage knob, the temperature of the soldering iron can be adjusted, and the operation is convenient and quick. 7. With professional soldering iron stand holder to prevents the soldering iron from scalding the table or your hands. Specification: Easy and convenient to operate, wireless design, safer to use, resonable size, suitable for both home use and take it out. Feature: There is a knob at the bottom to adjust the voltage, The adjustable range is 3.3V-4.8V. Soldering iron interface, can be connected with a soldering iron t-ip and a charging t-ip. Copper alloy soldering iron tip, quick heat transfer, quick temperature rise. The power button has a prompt light, press the power button, the indicator light is on. During use, the button light flashes indicates the battery low. Need to c-harge. Two-way adjustment of the voltage knob, the temperature of the soldering iron can be adjusted, and the operation is convenient and quick. With professional soldering iron stand holder to prevents the soldering iron from scalding the table or your hands. Specifications: Main color: silver Main material: metal Soldering iron size: 119 * 16 * 16mm / 4.7 * 0.6 * 0.6in Soldering iron t-ip length: 50mm / 2.0in Battery: 3.7V， 1300mAh Package size: 220 * 140 * 40 / 8.7 * 5.5 * 1.6in Package weight: 232g / 8.2ounce Packing List: 1 * Soldering Iron 1 * Soldering Iron T-ip 1 * Suction Tin Device 1 * USB Cable 1 * Welding Wire 1 * Tweezer 1 * Soldering Iron Bracket 1 * Solder Wire Package List: 1 * Soldering Iron 1 * Soldering Iron T-ip 1 * Suction Tin Device 1 * USB Cable 1 * Welding Wire 1 * Tweezer 1 * Soldering Iron Bracket 1 * Solder Wire