Features:  Compact size, lightweight and portable, easy to put into your pocket and carry around with you.  Easy to use, one-button to on/off, very convenient.  Fine workmanship with stable performance, can provides long service life.  Low power consumption design, do not need to worried about run out of the battery when setting aside.  6 gears of output power adjustable, 1-6-1 circulate, welding more accurate.  Long time press to boot, it will shows the last use gears, short press one time to add one gear.  Self detect function, automatic trigger after welding pen contact the nickel sheet, 0.8s response time.  Advanced power management and software design, will not reset and non-return-to-zero while welding.  Equipped with indicator light, flash recharge, standby fully recharge.  Self-carried with recharge manage control module, easy to recharge your mobilephone through following USB cable.  Comes with high rate lithium battery, and it can continuously welding thousands of points on 0.1-0.15mm nickel sheet after being fully charged.  Copper pen rod with 10AWG multi-silicone-wire, humanized sleeve for safety use.    Specifications:  Name: Spot-Welding Machine  Battery: 1 * 5V, 5300mAh lithium battery (included)  Color: gold, silver, rose gold (optional)  Gears: 1-6 gears  Welding thickness: 0.1-0.15mm  Item size: 140 * 80 * 40mm / 5.51 * 3.15 * 1.57in  Item weight: 355g / 12.52ounce  Package size: 170 * 115 * 90mm / 6.69 * 4.53 * 3.54in  Package weight: 423g / 14.92ounce    Packing List:  1 * Spot-Welding Machine