Red Dragon PT 311-6 C Portable Propane/Natural Gas Patio Light - Cone Style Portable Patio Lights assemble in just minutes. Enjoy hours of natural, open flame, outdoor lighting. Light includes a sturdy, two wheel cart which holds the tank and makes relocating a snap Runs on natural gas or liquid propane Patio Lights are rated up to 49,000 BTU per hour and stand 7-1/2 to 8 feet tall