brand new and high quality. Feature: This is a kind of fine quality spot welding machine, compact size, lightweight and portable, easy to put into your pocket and carry around with you. 4 gears of output power adjustable, welding more accurate. Comes with high rate lithium battery, and it can continuously welding thousands of points on 0.1-0.15mm nickle sheet after being fully charged. You can have a try. 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. 4 gears of output power adjustable, welding more accurate. Self detect function, automatic trigger after welding pen contact the nickel sheet, 0.8s response for time. Advanced power management and software design, will not reset and non-return-to-zero while welding. Equipped with indicator light, flash-charge, standby-fully charge. Self-carried with charge manage control module, easy to charge your phone through following USB cable. Comes with high rate lithium battery, and it can continuously welding thousands of points on 0.1-0.15mm nickle sheet after being fully charged. Specifications: Name: Spot Welding Machine Battery: 4300mAh lithium battery (included) Gears: 1-4 gears Welding thickness: 0.1-0.15mm Item size: 100x84x28mm Packing List: 1x Spot Welding Machine with Spot Welding Pen 1x USB Cable 1x Manual