Pulse Ignition: Pulse ignition is different from traditional piezo ignition, it is more durable and easy to ignite. Connect to a 20lb propane tank using the provided gas regulator and hose(1.3" long). The propane heater runs up to 69 hours on low setting 6,000 BTU, reducing electricity bills and eliminating concerns about power outages during hurricanes 3 Heating Modes Adjustable: The indoor propane heater delivers 6000/12000/18000 BTU of heat. Easily adjust the gas knob to select your preferred warmth level. The propane heater indoor warms area up to 450 sq.ft Dual Safeguard: The portable propane heater features an automatic shut off in case of low oxygen surrounded(ODS) or unexpected tip-over. If used in enclosed areas or if tilted/knocked over, the indoor propane heaters will cut off the gas supply and turn off as a safety precaution Low Noise: You can hardly hear any noise while the product is running. Noise level is lower than 30dB. Enjoy your reading, working, friends gatherings in a peaceful and comfortable atmosphere created by OKF propane heaters for indoor use Mobile and Portable: With 4 durable casters with brakes and an easy-carry handle, the gas heaters for indoor use with wheels moves effortlessly between locations. Its compact and windproof design allows to store the gas tank inside the cabinet, easy to move and aesthetic. This propane heater outdoor is suitable for camping, picnics, patios, backyards, construction sites, well-ventilated garages, RVs, office etc propane heater propane heater indoor indoor propane heater propane heaters for indoor use portable propane heater indoor propane heaters gas heaters for indoor use outdoor propane heater propane heater outdoor gas heater gas heater indoor garage heater propane mr heater propane heater propane patio heater radiant heater garage heater buddy heater propane propane outdoor heater mr heater buddy outdoor heater propane mr buddy propane heater mr buddy heater