This indoor safe, 11,000 BTU High Performance, Omni-Directional Mesh Burner provides high intensity radiant heat in a full 180° spread so everyone can enjoy the warmth! With integrated gas-powered accessory controls and a quick connect accessory rail system, you’re safe and ready to go in any weather conditions and any event! Mr. Heater’s Trusted Advanced Safety Detection Systems, including Emergency Low Oxygen Safety System, Apex 50° Tip-Switch, and Thermal Shut-Down System, you and your family are safe. The design has been updated to feature an optimized wind barrier and pilot shield for maximum protection when using outdoors. The left and right side accessory doors feature a battery compartment and Gas Accessory Quick Connect Port. The opposite door includes a multi-purpose storage compartment for gloves, documents, power cords, or fishing tackle box.