Safe for kids and pets: The heater is made of flame retardant material to achieve zero fire hazard; automatic overheat protection system will shut the unit off automatically when reaching overheat limit; tip over switch at the bottom will be triggered and the unit will be shut off in tilted or tripped over condition; power indicator indicating its plugged in; ETL certified, safety tested Speedy warming: With PTC ceramic heating tech and high speed fan, this heater put out tons of heater to heat up 200 square feet in minutes. Helps to save electric bills by heating up needed small spaces instead of heating the whole house with other centralized heaters. Lower than 45 decibel while working, quiet enough and better heat dispersal for indoor sleeping, reading and working Easy to use: Adjust the knob on the right to turn the unit on. "I" is for producing heat at 750 watts, "II" will produce heat faster and hotter at 1500 watts, and Fan will blow out cool air. Then turn the thermostat knob on the left toward the + sign. The adjustable temperature range is 0 to 158. It will get the heater to cycle on and off according to if the rooms temperature reaching heater's setting temperature Portable and mighty: Easy carry handle and lightweight make this space heater easy to place in room or move from the floor to the table. No more concern about taking up too much space in a crowded place. An ideal space heater for office and a thoughtful gift for friends and family in winter Long serving life: Tip over swicth, overheat protection and ceramic speedy heating and cooling for its steady operation and a long serving life, no extra worry on accidental damage for winter life