Adjustable Temperature: USB soldering iron kits have great temperature range convenient to control: single press the switch button after you turn on the soldering iron, see signal light in Green which temperature is about 300C; indicator light in blue, the temperature range will arrive 380C; red index lamp is highest temperature about 460C.USB Rechargeable Soldering Kits: With short-circuit protection and built-in 1100mah battery, it gets rid of the of wires. The USB charging port is convenient for charging. Easy to use, single key operation, press 5 times in two seconds to switch the machine on and off, press and hold and long to heat the solder pen.Durable Material: Small and design is portable to carry. It's convenient to use for a long time and take it out .Widely Use: Applicable to widely areas regards welding jobs, such as kinds of electronics and electrical repair, circuit board welding or design, craft and jewelry making. soldering iron kits also extremely suitable for the campus & classroom electronic experiment works, family DIY making or office wiring design.The product is durable and reliable in qualitynote: With "EVOD Twist" letteringNot intended for use by or tobacco products.Charger includedMaterial: Metalcolour: bluePackage Contents: 1 x electric soldering iron handle1 x soldering iron head1 x usb charger1 x English and Chinese manual