Feature:1. Small and portable, small in size, easy to carry and use to protect the circuit from being burnt out.2. The operation is simple. After turning on the machine, select the required gear and touch the welding object with the welding pen to spot welding.3. Rugged and durable, it is made of aluminum alloy, with hard appearance, long service life, and not easy to be damaged.4. Long battery life, built‑in 5000mAH battery, easy to use, can be used for a long time.5. Continuous use of the soldering pen will cause hotness. It is recommended to wear gloves to avoid burns.How to Use:Boot up:Click the button ⑥Shut down:1. Double‑click the button ⑥;2. Automatically shut down after three minutes of standbyGear adjustment:Button ⑦ is for gear adjustment, click to change gears, the cycle is first gear>second gear>third gear>fourth gear>standbyStandby:1. After the fourth gear, click to enter the standby state;2. It will enter the standby state without spot welding for more than 30 minutes.Spot Welding:After turning on the machine, select the required gear and touch the welding object with the welding pen to spot welding.Specification:Item Type: Spot WelderMaterial: Aluminum AlloyPower Supply Type: Lithium battery (rechargeable)Model: 5VBattery Capacity: 5000mAHOutp