Quarter Dome Mirror, Mirror Style Quarter Dome Mirror, Mirror Shape Round, Rim Material Acrylic, Mirror Material Acrylic, Backing Material No Backing, Diameter 18 in, Length 20 In., Viewing Angle 90 Degrees , Approximate Viewing Distance 18 ft, Includes Mounting Hardware Yes, Mirror Environment Indoor, Dome Height 10 in, Includes Mounting Holes, Screws, Mounting Location Ceiling, Standards UL Approved, Weight 3.25 lb