Question about Tefal Freemove Air FV6520

Steam output "Tefal Freemove Air FV6520 2400W, 500g/min", but in the description it says "Variable steam output regulation: 0-25 g/min. Additional steam impact 115 g/min -" the result is 140g/min against the advertised 500 g/min? Which one is the real one?