Recessed In-Wall Box Arm Mount for LED TV, LCD TV 15" - 40" Supports LED TV 23" - 55" Vesa 400 x 400 Supports up to VESA 400 x 300, Vesa 400 x 200, Vesa 200 x 200 0" - 20" from the wall (Arms sit inside the wall) Tilt of -5/+15, Full extension 20" 80 lbs load capability...Arms sits inside the wall