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/ 5018 BTU's per hour provides supplemental heat up to 400 Sq. ft. 3 installation methods:Built in wall with surround trims & Insert to mantel & Built in wall with U shape trims The flame and ember bed brightness can be adjust with 5 levels,flame speed can be adjust with 3 levels 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,can enjoy the 3D flame with or without heat. Two power supply connection methods: 1, Hardwired installation design 2. Simple plug -in cord. Western modern whth speaker: built-in speaker simulating the sound of charcoal crackling