-01 portable handheld spot welding machine is an efficient, convenient and easy-to-carry spot welding tool. Double pulse spot welding technology is adopted to make the welding more stable and firm, and it also has the function of power bank. 5000mah power lithium battery, long-lasting battery life. Equipped with a 1.8-inch high-definition LCD color screen, Clear display, status at a glance Smarter, more accurate, more humane. Built-in intelligent temperature control probe, over-temperature, low voltage, and short circuit protection.Customized settings for preheating, pulse, interval, and number of connection points make welding more stable and firm.Can weld nickel sheets, iron sheets, stainless steel sheets, aluminum sheets, etc. The maximum welding thickness is 0.25mm, and the welding current is 1200A. size: 155 x 82 x 28mm Material: Metal colour: Black Package Contents: 1 x Spot welding machine 1 pair spot welding pen 1 x USB charging cable 1 x Chinese and English instructions 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.