The internal bioethanol tray can hold up to 2 litres of fuel, providing an output between 1-2kW and an average burn time of 5 hours. Space Heat Output: 1-2kw Internal 2 Litre Bioethanol Tray Burn Time: 5 hours. Dimensions: Width 424mm / Depth 424mm / Height 960mm. Colour: Black with Polished Silver Door Handle.