As used by professional auto racers, police officers, and driver rehabilitation specialists, the Allview rear view mirror helps eliminate dangerous blind spots by giving you a full rear traffic view without turning your head. With standard side and rear view mirrors, you see three separate and distinct views of the road behind you that are incomplete. This rearview mirror reveals ONE complete, seamless view: left, right, and center all at the same time. The Allview rear view mirror is free of visual distortion, helps reduce headlight glare at night, clips easily to your car’s existing rear view mirror, and is shatterproof and vibration resistant. Overall dimensions are 16″ W x 2.6″ H.