INSTRUCTIONS FOR USE Power On/Off: Screw on the soldering iron tip and press the button 5 within 2 seconds to power on. Press 5 in quick succession to turn off. Operation: Press the button 3 for temperature switch, press and hold button to make the soldering iron work. Release it to stop working. Press 2 to enter continuous heating mode (5 minutes). Charging: Red indicator light is always on. Fully : Green light is always on Read more Cordless soldering iron can work continuously for 30 minutes when fully . Also can be used while charging SOLDERING IRON KIT Widely used for soldering circuit board, appliance repair, jewelry and metal headdress making, computer, and DIY SPECIFICATIONS Material: Stainless steelInput voltage: 5VOutput power: 15WBattery:1100mAhRated current: 2APower:15WRange of temperature: 300 -480 (572-896F)Heating time:8-12 secondsSoldering iron tip resistance:1.3-2.1 Material: metal Color: White Package Contents: 1 x Portable Soldering Iron 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.