Description: Adjust the voltage range is 3.6V-4.8V,two-way adjustment of the voltage knob. Soldering iron interface, can be connected with a soldering iron tip and a charging tip. Copper alloy soldering iron tip, fast heat transfer, temperature rise. Fine workmanship and good performance,easy to use.satisfaction Guarantee Widely used for most of soldering projects, DIY , electrical, jewelry making ,student classroom teaching... Specification: Material: Alloy Voltage: 5V Power: 15W Size: 135x170mm Voltage adjustment range: 3.6-4.8 (V) Current: DC Temperature range: 450 (℃) Welding tip and grounding impedance: 1 (Ω) Welding tip and ground voltage: 1 (mV) Standard soldering tip: B nozzle Soldering iron tip temperature: 400 (℃) Drive form: electric heating Power form: electric heating Package Includes: 1 set x Soldering Iron Kit Note: Please allow 0-1cm size errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.