This Patio Pyramid Propane Space Heater has 46,000 BTU heat output in a circle. It only takes a few minutes to warm up quickly, which is a great heating solution for your outdoor socializing. With this heater, you can still enjoy the warm courtyard life when winter comes.Weight & Dimensions Overall Size: 20.67”x 20.67”x 90.55”（52.5 W x 52.5 D x 230 H cm） Reflective Cover Size: 18.11"x18.11" (46x46 cm) Flame Cover Diameter: 8.27" (21 cm) Item Weight: 59.5 lbs (27 kg) Carton Size: 53.15"x29.53"x7.1" (135X75X18 cm) Carton Weight: 66 lbs (30 kg)Product Features Heater Shape: Pyramid-Type Heating Type: Gas-Heated Type Burner Material: Stainless Steel Color: Silvery Fuel: Propane Or Butane Gas Only Gas Tank: Not Included Applicable Type Of Gas Barrel: Standard 20 Pounds Of Propane Gas(Not Included) Adjustable Temperature: Yes With Movable wheels: Yes Power：13,000W Heat Output: 46,000 British Thermal Units Certification: ETL certificated、CE certificated Package included ：1xPyramid Heater Installation Required ：Yes Level of Assembly ：Full Assembly Needed Adult Assembly Required ：Yes Installation time：30 minutes Product Warranty : Yes Full or Limited Warranty：Limited Warranty Length : 6 MonthsWarm Prompt： All outdoor patio propane heater hose and regulator needs to do the soap water test to verify fitting for every the joints of the regulator and confirmed no bubbles or a hissing sound. If you see bubbles or hear hissing, pls double check the connections to avoid any risk.