Dual voltage 230v (13amp)/ 110v supply. Adjustable 51,787 - 107,000 BTU/hr (15.2 - 31.4 kW) heat output. 753m³ (26,578 cu.ft) approx heating area. 1.004 - 2.014 kg/hr average fuel consumption. Stainless steel. Lightweight and portable, weighs only 10kg. Made in Italy. 2 year warranty. SPECIFICATION: Dual voltage 230v (13amp)/ 110v supply Adjustable 51,787 - 107,000 BTU/hr (15.2 - 31.4 kW) heat output 753m³ (26,578 cu.ft) approx heating area 1.004 - 2.014 kg/hr average fuel consumption Lightweight and portable, weighs only 10kg Stainless steel 2 year warranty