Electric Fairplace with 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. ft. The dark grey imitation cement background makes the visual effect more penetrating,4 flame color and ember bed brightness can be adjust with 5 levels，3 flame speeds can be used to adjust. Timing function can set the time from 1 to 9 hours,11 temperature settings ,64F to 82F,ON meas heater keep working,can enjoy the 3D flame with or without heat The infrared quartz heat helps to maintain the natural humidity in the air, resulting in comfortable heat without drying out the room's Infra red remote control and high quality and sensitive touch button with clear digital display on the top right conner, no need stoop downand prevent to touch by pet mistake Two power supply connection methods: 1, Hardwired installation design 2. Simple plug -in cord.Users can choose the appropriate power connection method based on actual needs. 2 installation methods:Built in wall &Insert to mantel