10 gears with multiple power adjustable outputs, capable of welding different thicknesses 6 adjustable power outputs for quick locking of short circuit faults Large capacity batteries,Up to 10000mAh ultra large capacity battery, and long-lasting spot welding 1 point welding Spot welding of nickel sheets in mobile phone batteries usurp a cellularphone account Short circuit fault detection of various mobile phone motherboards and computers Lock the motherboard fault location for 1 second Quick and accurate fault location, with automatic burning of the fault point Automatically shut down after 1 minute of inactivity Operating instructions 1. Press and hold the "ON/OFF" button for 5-8 seconds to power on 2. Click "ON/OFF" to switch functions (spot welding/burning machine) 3. Click on "SWITCH" to switch gears (Spot welding 10 gears, burning machine 6 gears) High precision components are embellished with symbols, showcasing the beauty of precision The top of the fuselage is completely transparent You can get a glimpse of the internal structure from the top, with a strong sense of technology color:transparent Material:ABS Package Contents: 1 x Host 2 x spot welding wire 2 x pen line 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.