type:spot welder circuit board Product:Spot Welding Machine PCB Circuit Board Working voltage:6.5V-16V Working current:Less than20mA Standby power consumption:Less than0.5mA Recommended temperature:-10 - 60 Welding value current:180A MAX Intelligent sleep:8 minutes of automatic sleep Welding mode:default automatic welding mode Welding nickel sheet thickness:0.1-0.3mm (related to battery discharge energy) Colour:Green Material:PCB+Electronic Components Size:107x53mm Package Contents: 1 * Smart Motherboard 2 * Welding 6 * Screws 6 * Nuts 2 * Connection Lines 1 * Nickel Sheet 2 * Heat Shrinkable Tubes 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.