This is a 20 liter commercial electric water boiler and tea urn featuring a double-layer stainless steel body, external water level gauge, and adjustable temperature control.Capacity & Build: 20L volume [20 label visible on body] with 304 stainless steel double-wall construction for heat insulation.Controls: Features an adjustable temperature thermostat knob, indicator lights, and a power switch at the base.Dispensing: Equipped with a non-drip tap faucet and a clear vertical water level indicator tube.