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 quality note: With "EVOD Twist" lettering Not intended for use by or tobacco products. Charger included Material: Metal colour: blue Package Contents: 1 x electric soldering iron handle 1 x soldering iron head 1 x usb charger 1 x English and Chinese manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.