Compatible Version 12V Digital Display DIY Battery Spot Welding Machine Pen Control, Style:6 Square Pen With Case NITECORE Video output: 7 kinds of

Video output: 7 kinds of color bar signal output

together with a large sound buzzer

Acquisition of high definition

comfortable and breathable riding

Compatible with Xiaomi air purifier 1 & air purifier 2 & air purifier pro

Compatible Version 12V Digital Display DIY Battery Spot Welding Machine Pen Control, Style:6 Square Pen With Case NITECORE Video output: 7 kinds of1. 6 square pen can spot weld 0. 05 0. 2 mm nickel plating sheet, 10 square pen can spot weld 0. 05 0. 3 mm nickel plating sheet 2. High power output design, 99 adjustable output power, welding more accurate, can be in nickel nickel plate continuous welding thousands of points 3. Using 5 MOS transistors, the current can reach 2390A 4. Welding is the use of high current and high temperature rapid melting of nickel foil parts and cooling principle 5.