What are the technical specifications of Espresso coffee machines?

The technical specifications of the Philips Saeco Espresso Machines are as follows: espresso technology: Saeco adapting system, aroma-system: pre-brewing; usage: rapid steam (Odeo Go Plus only), cappucinatore (Odeo Go only), or removable brewing group; boiler: stainless steel; frequency: 60 Hz; power: 1400 W; voltage: 120 V; pump pressure: 15 bar; coffee bean capacity: 180 g; dump box capacity: 14 servings; water tank capacity: 1.5 L. Other machines may have other technical specifications, but it would be too long to list them all here, so this may be taken as a sample.