Features: brand new and high quality Small size, powerful function. Built-in rechargeable 2600mAh high-capacity battery, longer service life. High temperature resistances, high insulation, aluminum alloy shells. Using high-grade special materials, high temperature resistances, strong antistatic properties. LED screen digital display, display voltage, temperature. Specifications: Material:Aluminum alloy Model:BS45 Power:17-25W Temperature range: 320-480℃ Power supply: DC5V2A Charging voltage: USB-5V Battery: 2600mAh Charging time: 2.5 hours Battery life: 50minutes Tin melting time: 8-12 seconds Soldering iron tip resistance: 1.3-3Ω Output voltage: 3.2-4.5V adjustable Automatic shutdown: in standby mode, it will automatically shut down if there is no operation for 1minute Size: Approx.190x23mm/7.48x0.9 inches Package Includes: 1 Set Wireless Soldering Iron note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to thedifference between different monitors, the picture may not reflect the actual color of the item.