Must have a 3 prong outlet to use. Cannot use an adapter per enclosed instructions for safety reasons. Produces absolutely NO HEAT. Will not warm even a super small room. Returned the two I had ordered from the Handy Heater website and did receive a credit to my credit card in a timely manner. I have a Pelonis small fan forced space heater that I have been using for 2 years. That little Pelonis really heats a room, is safe and I only paid $10 at Walmart.
Bottom Line: No, I would not recommend this to a friend
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