Size details: Designed for built-in. Front size of electric fireplace :32.99”(w) x 24.72”(H) x 8.84”(D). Back size of electric fireplace:29.59”(w) x 23.62”(H) x 7.7”(D). Minimum opening wall size:30.0-32.6”(w) x 23.8-24.3”(H) x 8.5-8.7”(D) Features of electric fireplace insert: 3 Flame colors(yellow-blue-purple), 3 top light color(yellow-blue-purple). Flame and lights can be shown without heating Open glass Door and movable Mesh Screen: For the realistic traditional wood fireplace, Glass door can be open and close. The movable mesh can be moved Log speaker: make the real log burning effect Two Heating Modes: Heating for 400 sq.ft, Low temperature(750W) and High temperature(1500W) of electric fireplace insert are optional. Choosing low temperature at the beginning and high temperature after 30 minutes can make the space temperature rise more quickly and evenly. Due to the overheat protection device, it is recommended not to choose the high temperature initially. The heating can be work without flame Security protection : 1-9 hours timer for working and overheating protection. The recessed electric fireplace insert will be shut-off when overheating Built-in electric fireplace insert, designed for recessed installation with minimum wall opening size 30.0-32.6”(w) x 23.8-24.3”(H) x 8.5-8.7”(D); front size 32.99”(w) x 24.72”(H) x 8.84”(D), back size 29.59”(w) x 23.62”(H) x 7.7”(D), easy to fit most wall spaces. Features 3 flame colors (yellow-blue-purple) and 3 top light colors (yellow-blue-purple), flame and lights can operate independently without heating for year-round decor. Equipped with openable glass door and movable mesh screen, creating a realistic traditional wood fireplace look. Built-in log speaker delivers authentic log burning sounds, enhancing the immersive experience. Dual heating modes (750W low/1500W high) can heat spaces up to 400 sq.ft; heating works without flame, flexible for different needs. For optimal heating, start with low temperature and switch to high temperature after 30 minutes for faster, more even warming; overheating protection is included, so initial high temperature use is not recommended. 1-9 hour timer and overheating protection ensure safe use, the fireplace will automatically shut off when overheated, ideal for home, living room, entertainment center decor and supplemental heating.