BELL & HOWELL TACVISOR™—THE DAY & NIGHT GLARE BLOCKER! 2-in-1 visor features a polarized daytime lens plus a yellow lens for nighttime driving. Just flip down the day or night visor as needed for greater clarity and a noticeable reduction in glare from the sun and oncoming headlights. Installs without tools—simply slip onto car’s visor with included clip. 11¾" L x 5¾" W overall.