Mr. Heater proudly introduces the Power Fan, an innovative accessory specially designed for the MH9BX Portable Buddy Heater! The Power Fan utilizes state-of-the-art thermoelectric generation technology, capturing heat naturally produced by the heater and efficiently converting it into electricity to power a built-in air circulation fan.With no need for batteries or an external power source, the Power Fan operates solely from the heat generated by your Portable Buddy Heater, making it both convenient and environmentally friendly!