1: Screw the soldering iron tip and press 5 times within 2 seconds to turn on the machine. Shutdown, press 5 times in a row to turn off (the indicator light flashes several times) 2: Long press the power button to let the soldering iron work. Release it to stop working. 3: Long press the power button for more than 10 seconds, the battery will start the timeout protection function. It is recommended to press and hold for 7-8 seconds, then release and press again (cycle this operation for continuous heating) Specification: 5V 8W Color: silver Material: Metal Package Contents: 1 * Battery Operated Soldering Iron 1 * Sharp Soldering Iron Tip 1 * Horseshoe Soldering Iron Tip 1 * Knife Soldering Iron Tip 1 * USB Charging Cable 1 * Soldering Iron Stand Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.