Features: 1Rapid Heating and Cooling: Aluminum alloy soldering iron heating less than 15 seconds cooling less than 35 seconds rapid heating and cooling high work efficiency. 2Temperature Adjustable: The temperature and voltage knob of the welding tool can be adjusted in both directions and the temperature of the soldering iron can be adjusted and the adjustable range is 3.3V4.8V. 3Rechargeable: This wireless welding pen is rechargeable and can be powered by computer power bank or mobile phone charger etc. 4510 Interface: Soldering iron interface can be connected to soldering iron and load can be used in small gauges accessories precise electronic components etc. 5Practical: The electronic welding kit is simple and convenient to operate cordless design small and light suitable for home use and take away. Specification: Item Type: Wireless Charging Welding ToolMaterial: Aluminum Alloy ABSGross Weight: 86g / 3.0ozProduct Size: Approx.17 x 1.2 x 1.2cm / 6.7 x 0.5 x 0.5inPower: 8-15WTemperature Range: 200C-470CHeating Time: 8-12 secondsBattery: Lithium battery 420mah (shipped with built in battery)SolderingIron Tip Resistance: 1.5-2.5 Package List: 1 x Battery Soldering Iron Welding Pen1 x Soldering Iron Tip1 x Soldering Iron Stand1 x Charging Cable1 x Storage Tube1 x English Manual