CSA/UL certification ensures long time services and user's safetyDouble safety protection device, one is overheat protection device, automatically cut off when thetemperature is too high, the other one is fuse1500W heat/ 5000 BTU's per hour provides supplemental heat up to 400 Sq. ft. to help you save moneyPlugs into any standard 120V outlet,it works in every home and in everywhereCan enjoy the flame effect without heat.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 working50000 Hours life time LED light source,our products must stand wear and tearThe infrared quartz heat helps to maintain the natural humidity in the air, resulting in comfortable heat without drying out the room's