Clear size descriptionDimension with Trim Kit:31.7inch X 27.7inch X 8.2inch(trim kit included 1 top piece,1 bottom piece, 2 side pieces).Easy to install fix the trim kit and slid into the opening of your old fireplace.We have also provided you with a tip of the opening dimensions for wall mounting for your reference.Realistic Flame & Adjustable BrightnessThe electric fireplace brings a warm and cozy atmosphere to your home. There are 4 style 3D Flame effect for you choose , the flame and ember bed brightness can be adjust with 5 levels,flame speed can be adjust with 3 levels.This will give your house a different kind of coziness.Multiple mounting styles3 installation options are available :1. Built in wall with U shape trims; 2.Built in wall with surround trims; 3.Insert to mantel without trim kit.Each installation will give you a different level of comfort.Western Modern Fireplace with Fire Crackling SoundRealistic dancing flames and burning log effect, built-in speaker simulating the sound of charcoal cracking, give you a real fireplace-experience. Give your room a dreamlike ambiance