Features:Screw on the top of the soldering iron and press it 5 times within 2 seconds to start machine. Shut down the machine. Press the button 5 times in row to shut down the machine (the indicator flashes several times). Long press the power button to make the soldering iron work normally. Release it to stop working. Press and hold the power button for more than 10 seconds, and the battery will start the timeout protect function. Press and hold for 7-8 seconds, then release and press again; (Repeat this operation to achieve continuous heating). Specifications:Material:Metal Color:Red,White,Silver,Blue,Black;(Optional) 5V 15W Note:Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.Package includes:1x Soldering Iron 3xBits 1x USB Cable 1x Bracket 1x Solder Wires 1x Tweezer 1x Screwdriver 4x Screwdriver Bits