Bybafun 27.8-in Black For TV Stand Electric Fireplace Insert

27.8-in Black For TV Stand Electric Fireplace Insert. 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, 2 installation methods:Built in wall with surround trims&Insert to mantel from the front directly,. Timing function can set the time from 1 to 9 hours,11 temperature settings ,64F to 82F, heater keep working,can enjoy the 3D flame with or without heat