Features: Welds down to 30 amps for sheet metal applications and up to 250 MOO amps for general fabrication; Excellent arc characteristics over the entire current range; Power source specially designed for short arc with wire sizes from 0.8 to 1.2mm/ 1.2 to 1.6mm; Auto choke for fine tuning the welding arc; 25/30 step voltage selection; Excellent portability & mobility with compact size and standard Wheel kit; Voltage preset switch for easy duplication of settings; Standard Ammeter and Voltmeter; Forced air cooling for long unit life; One year warranty.