CSA/UL certification ensures long time services and user's safety Double safety protection device, one is overheat protection device, automatically cut off when thetemperature is too high, the other one is fuse 1500W heat/ 5000 BTU's per hour provides supplemental heat up to 400 Sq. Realistic flame effect with 4 adjustable brightness settings. Timing function can set the time from 1 to 9 Hours, don't worry about forgetting switching off this room heater or fire risk. 11 temperature settings, 64F to 82F, ON meas heater keep working 50000 Hours life time LED light source, our products must stand wear and tear Removable foot, easy storage, small size, easy to move, you can put anywhere you want. The infrared quartz heat helps to maintain the natural humidity in the air, resulting in comfortable heat without drying out the room's.