Features: It is good choice for the emergency operation, electronic maintainer Small size and light weight, convenient to storage in tool bag for carrying out This soldering Iron features fast heating, oxidation resistance The soldering iron heats up rapidly in 6 seconds, the maximum temperature is up to 450 ℃. If in the new batteries condition, up to 300 solder points heat are concentrated in the soldering iron head, save electricity Anti - static design, better protection of components. Wide application scope: Common circuit board welding, Precision small parts welding,Automotive electronic maintenance, Communication electronic maintenance, Shipping electronic equipment maintenance, Loosen rust metal screw. Spec: Model: KBI - 645 Voltage: 4.5V Power: 6W Length: 17.5cm / 6.89in Battery: 3 x AA(not included) Weight: 70g Package included:1 x Battery Soldering Iron1 x protective sleeve (battery not included)1 x -free solder wire1 x iron plate replacement