The ideal choice for indoor safe supplemental heating. These heaters are great for use in your home, basement, garage, or at the cabin. Because these heaters do not require electricity to operate (batteries included), they make an excellent choice for both everyday zone heating as well as for emergency situations when the power goes out. Indoor kerosene heaters use ONLY 1 K kerosene, burn with 99.9% efficiency, and operate with a side switch on and off design. Dependable - Ideal for emergency use or daily use Economical - Cut heating bills by warming only occupied areas Convenient - Easy to use automatic ignition and one-touch shut-off Safe - Built-in safety switch shuts power off if unit is knocked over Versatile - Use in workshops, basements, cottages, RVs, and more Extended Comfort - Operates up to 11 hours on one full tank of kerosene