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 fuse.1400W heat/ 5000 BTU's per hour provides supplemental heat up to 400 Sq. ft.11 temperature settings : 64F -82F,ON meas heater keep working50000 Hours life time LED light sourceCan enjoy the flame effect without heat,timing function can set the time from 1 to 8 HoursRealistic flame effect with 4 adjustable brightness settings,flame and emberbed glow can be on seperatelyInstall it into a TV stand, fireplace cabinet or use it freestandingInfra red remote control, no need move your body to turn on the unit, as long as the remote on hand, you can control anywhere and anytime