KEY DETAILS Glass fiber reinforced concrete body. Steel inner frame. Battery-operated push-button ignition. Heat output: up to 120,000 BTUs. Propane Fire Pit includes: leveling feet, brass burner, lava rock filler, storage cover, AA battery, lifting strap, tank seat and 8' LP hose with regulator. Natural Gas Fire Pit includes: leveling feet, brass burner, black lava rock filler, storage cover, AA battery, lifting strap and 8' NG hose with quick connect socket. Burn time for 20 lb. propane tank: 3.5 hours on high, 7 hours on low. Propane tank sits outside the fire table. Uses a standard 20 lb. LP tank (not included). Cannot be converted to different type of gas. Propane or Natural Gas options available. Adjustable flame height. Automatic safety shut off. Weather-, sun- and rust-resistant. Can be used on a wooden deck. Fire pit body and burned systems are tested and certified by CSA. Only meant to be used outdoors. Prop 65 warning: This product can expose you to brass and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. Coordinates with the Xia Round Propane Tank Cover & Side Table (sold separately).