Dual voltage 230v (13amp) / 110v supply. Adjustable 130,277 - 290,000 BTU/hr (38.2 - 85kW) heat output. 2,040m³ ( 72,034 cu.ft) approx heating area. 2.514 - 5.275 kg/hr average fuel consumption. Stainless steel. Weighs 16kg. Made in Italy. 2 year warranty. SPECIFICATION: Dual voltage 230v (13amp) / 110v supply Adjustable 130,277 - 290,000 BTU/hr (38.2 - 85kW) heat output 2,040m³ ( 72,034 cu.ft) approx heating area 2.514 - 5.275 kg/hr average fuel consumption Stainless steel Weighs 16kg Made in Italy 2 year warranty