Electronic halogen. Halogen heating element. Heat out put 2100kws. Clean, odourless, instant heat, safe and convenient. Stainless steel aluminium and iron composition. Weather and stain resistant. Can be left outside all year round. Has safeguard tip-over when heater inclines. Overall size (H)210, (W)60, (D)60cm. Weight 14.4kg. Packed flat for home assembly. Self assembly 2 people recommended. Requires allen wrench for assembly (supplied).