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 tip and a charging tip.3. Copper alloy soldering iron tip, fast heat transfer, rapid temperature rise.Specification:FeaturesThere 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 tip and a charging tip.Copper alloy soldering iron tip, fast heat transfer, rapid 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 charge.SpecificationsColorSilverMaterialMatalSoldering iron size: 115mm/4.52inSoldering iron tip length: 49mm/0.35inPackage Size20 * 13 * 3cm / 7.87 * 5.11 * 1.18inPackage Weight230g/8.11ozPackage List1 * Load welder1 * Wire can1 * Foot welding1 * USB charging head1 * Welder protective cap1 * RosinPackage List:1 * Load welder1 * Wire can1 * Foot welding1 * USB charging head1 * Welder protective cap1 * Rosin