Powerful functions with 2200mah lithium battery, 1.33-inch TFT clear color screen, aluminum alloy body, timed shutdown, battery status monitoring, etc. Built-in rechargeable battery and a welding pen 2 in 1,can weld easily without an external welding pen Suitable for cylindrical batteries such as 18650/26650/36650, mobile phone batteries, and other batteries 11 levels of adjustable output power, which can be adjusted according to the different materials you spot weld. 1-3 levels of mobile phone batteries, 3-6 levels of 0.1mm nickel plates, 6-11 levels of 0.12-0.15 nickel plates. Fully can spot weld more than 200 times Use high-quality polymer batteries, overcharge protection, temperature protection, short circuit protection, battery temperature abnormality alarm and spot welding shutdown function, as well as low battery voltage alarm. Colour:As Shown Material:Metal Package Contents: 1 set * spot welder 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.