The SIP FIREBALL 3711DV Propane Space Heater offers powerful performance using 230v or 110v input voltage for high versatility and heating a variety of environments quickly and efficiently, helping to maintain a consistent temperature. A lightweight wheel-mounted design with a small overall footprint means it is easily mobile and can be positioned wherever is required, including on-site use, construction, and garages, workshops, sheds, warehouses, and more. The complete SIP FIREBALL range is ErP-compliant, meaning higher savings for you and lower emissions for the planet. � 230v / 110v dual input voltage operation � Large 2490mtr� (87,934ft�) approximate heating area � 158,767 to 371,000BTU/hr (108.7kW) approx. heat output � Variable output for efficient burning for lower costs � Lightweight and portable design with easy carry handle � Corrosion-resistant stainless steel casing for added durability � Regulator and hose included meaning no extra expense � Ideal for sites, medium-sized garages and workshops � Wheel-mounted design with freestanding legs � Integrated front grille for added safety � SIP 2-Year Standard Silver Warranty � Manufactured in Italy � Fully ErP-compliant