Features: Reliable quality: This is a high-quality spot welder with good finish, stable performance and long service life. Small size, light weight, easy to put in the pocket, easy to carry. Safety adjustable: 1-20 gear output power is adjustable, welding is more accurate. The copper pen holder is equipped with 10 AWG polysiloxane wire, and the humanized sleeve is safe to use. High-quality battery: The spot welding machine is equipped with a high-speed lithium battery, which can continuously weld more than 500-1000 on nickel sheet after being fully charged. Equipped with indicator light, which can charge the flash and can be fully charged. Multifunctional design: low power consumption design, no need to worry about battery drain when shelving it. Self-checking function, automatically activated after the soldering pen touches the nickel sheet. Advanced power management and software design will not reset or reset to zero during the welding process. Easy to use: One key to turn on/off, very convenient. Long press to start, display the last used file, short press to add one file at a time. Package Includes: 1x Spot Welder Specifications: Material:Metal + Plastic Color : Golden Size: Approx.14.8x8.2cm/5.82x3.23inch Battery capacity: 5300/10600mAh Built-in battery: high-rate polymer lithium battery Delay time: 20 levels adjustable, 0.5-2.5 seconds Welding power: 20 levels adjustable, 1-20 files Automatic shutdown time: 5 minutes Built-in battery voltage display: yes, unit V Charging input: Type-C, 5V2A note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.