The Mr. Heater® Buddy FLEX™ Heater delivers indoor-safe radiant warmth, perfect for your tent, cabin, or ice shelter! Producing 11,000 BTUs, the omni-directional mesh burner radiates heat in 180°, spreading the warmth to all! This portable heater boasts a wind barrier and pilot shield so it can be used outside without the elements creating a frustration experience. Built-in heat and accessory controls and a quick-connect accessory rail system let you add accessories like a FLEX cooker (not included) for additional convenience. The Mr. Heater Buddy FLEX Heater has all the safety features you want, like an emergency low-oxygen system, Apex 50° tip switch, and thermal shut-down system. Built-in storage compartments.Manufacturer model #: MH11BFLEX. 11,000-BTU power produces ample warmth Indoor-safe design radiates heat 180° Wind barrier and pilot shield allow frustration-free outdoor use Quick-connect rail system for adding compatible accessories Easy-to-use heater and accessory controls Tons of safety features, like low-oxygen sensor and thermal shut-down system Integrated storage