Features: Fully functional USB powered soldering iron Small and portable It'll heat up in less than 15 seconds. Cool in 30 seconds. Long life tip with protective cap. Insant recovery Input :USB 5 V Power: 8 w Touch the metal point again and start working again. Touch the superpoint on the pen body and the LED lights up to start the soldering iron. If you leave the pen idle for 25 seconds, the LED light will turn off and the pen will automatically go into sleep mode. cautious 1 . Be very careful when using a heated iron, as the high temperature of the iron can cause fires or painful scalds. 2. The iron may smoke as the heating element dries when you first use it. This is normal and should only last for about a while. For 10 minutes. 3. Never file special plated tips. Package contents: 1 x USB 5V 8W Power supply Soldering pen/tip Note: Please pull out the iron head when using. Don't turn your head.