Convex Security Mirror Mirror Style Convex Mirror Mirror Shape Rectangular Rim Material Rubber Mirror Material Acrylic Backing Material Hardboard Diameter Not Applicable Length 20 in Width 30 in Viewing Angle 180 Degrees Mounting Bracket Type Swivel Mounting C Bracket Approximate Viewing Distance 30 ft Legend Not Applicable Includes Mounting Hardware Yes Mirror Environment Indoor Dome Height Not Applicable Includes 13 1/2 in to 21 1/2 in Telescoping Hardware