Please make sure you do not mind before purchasing! Professional Vibration Testing: One of the concerns that our customers are concerned about when hanging TV in the ceiling. This product has been tested to replicate the earthquake waveform of a 7 earthquake that was observed during the East Japan earthquake, and we perform an authentic safety inspection that stands out from the customers perspective to provide you with the peace of mind possible. (Safe return product) If it meets the following conditions but cannot be installed, we will respond to return. There is a screw hole on the back of the monitor • The stand can be removed (some TV models with built-in stands) • The back of the monitor is flat • Monitor size is 37 to 65 inches • The weight of the monitor is less than 88.2 lbs (40 kg), and the distance between the screw holes on the back of the monitor is within the "Height: 3.0 - 175 inches (75 inches (40 inches (75 mm).