Description: Applicable for fast welding of platinum, gold, silver and steel Used high frequency discharge plasma Adjust output power according to different size of wire Parameter: Voltage: 110V/220V Power: 400W Maximum current: 30A Dimension: 310*165*140MM Packing list: 1 SET DX-30A welding machine Precautions: 1. When welding, strong light will be released, which may lead to short temporary darkness of the eyes, so please wear protective goggles while welding and do not look directly at the welding part. 2. When welding, the workpiece should not hold against the tip of the tungsten needle and step on the foot switch, which will cause the machine to short circuit, thus affecting the service life of the machine. 3. Please keep your hands dry to use the machine, if your hands are wet, you will feel paralysis when operating. 4. When welding, the foot switch to point that is released, not always stepped on This will lead to a short circuit foot switch, which can not work.