110/120V grounded outlet for proper operation. Adjustable heat angle output and porcelain paint finish Adjustable BTU setting. Heat Output: 120-150,000 BTU Dimensions: 25.5"(W) x 10"(D) x 16"(H) Heats up to 3,800 sq. ft. Requires electricity for operation Operates 14-18 hours on a single 100 lb propane (LP) cylinder 10 ft hose and regulator included.