USB Soldering Iron Set Intelligent Temperature Adjustable Fast Heating Setting 800mAh Battery Cordless Electric Soldering Iron The product is compact and easy to operate, long the button for 3 seconds to turn on/off. The soldering iron tip can be replaced by unscrewing it, making it easy to operate. Intelligent temperature regulation, adjustable temperature range of 200-450 / 392-842 , to meet the needs of different scenarios. Wide range of applications: suitable for circuit board repair, mobile phone repair, electronic component repair, wire welding, manual carving and painting, etc. Product parameters Product Name: Digital USB soldering iron (including soldering iron tip) Soldering iron tip: 510 Voltage: 5V Power: 8W Battery capacity: 800mAh Battery model: 1450 Temperature range: 200-450 / 392-842 (Celsius/Fahrenheit) instructions 1. In the shutdown state, and hold the power button for 3 seconds to turn on the device and display the temperature change process to the set temperature. 2. and hold the power button for 3 seconds to turn off the device, and it display "OFF". 3. After turning on, the temperature indicator stays on for a long time, and flashes when the set temperature is reached. Short or long the "+" or "-" to adjust the temperature. 4. Double click the power button to switch between C and F in the startup state. 5. the "+" and "-" buttons simultaneously to turn on the sleep settings while the device is turned off. the "+" button to turn on the sleep display "S-O", and the "-" button to turn off the sleep display "S-F". After turning on the sleep mode, work for 10 minutes to enter the sleep state. The soldering iron does not heat up and displays the sleep symbol of "---". Color: As Shown Material: Glue Handle Package Contents: 1 x soldering iron set 1 x USB cable 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.