... OEM 4.ONE YEAR WARRANTY Features*With Pulse function,can weld both thin and thick parts perfectly.*Inverter technique makes the ... standard.*Compact,light-weighted,high efficiency,safety,portable.*Suitable for TIG Argon welding and MMA arc welding,easy to operate. ... standard.*Compact,light-weighted,high efficiency,safety,portable.*Suitable for TIG Argon welding and MMA arc welding,easy to operate. ...