About this item Ultra-clear video - Circular polarizing (CPL) filter cuts windshield glare and reflections; boosts detail and color accuracy in bright sun and city lights; get sharper dash cam footage when it matters most. Fix blown-out shots - Reduces lens flares and light reflections from glass and dashboards; corrects overexposed footage for balanced exposure; improves readability of plates, signs, and road textures. Fast, foolproof install - Built-in guide points align the filter in seconds; no tools required; 0.57 x 0.57 x 0.04 inches fits your dash cam lens for a secure fit. Made for real driving - Cuts glare from wet roads, snow, and midday sun; ideal for commutes, rideshares, and road trips; capture truer color for clearer evidence and memories. Broad compatibility - Works with a variety of dash cams; simple add-on elevates video quality without changing your setup; easy to remove for cleaning when needed. Size: 0.57 x 0.57 x 0.04 inches.