The Swan SI4030GRN Steam Generator has a powerful 2200 watts & a fast heat up time of under 1 minute. It also has a 750 ml Detachable water tank. The Swan SI4030GRN Steam Generator has many features including a Vertical Steam function for easier ironing. The Anti-Lime Scale Filter means the iron lasts for longer & performs better. The Steam Generator has a Stainless Steel Soleplate which will glide smoothly along even though most stubborn creases. It also has a 65g/ Minute Steam Surge.