Friendly Digital Control Panel makes easily welding parameters setting Digital Display can show parameters setting exactly Wireless Remote Control is optional,remote control distance can be up to 100m 3 In 1 Multi functions includes HF TIG/MMA Pulse Function makes excellent welding performance,special for thin material welding Pre Flow Time is adjustable from 0 to 2 seconds Post Flow time is adjustable from 0 to 10 seconds Built-in Protection Circuit of over temperature and over voltage and over current for better reliability *90-270 Volts Input can be worked in Global market PFC Technology makes power factor more than 0.99 and energy saving.