1.The filter actual size is 27.72 inches(704 mm) width x 15.55 inches(395 mm) height, Please compare your TV to our measurement picture before purchasing. 2.Newest Blue Light Filtering Technology With 7-layer Layered Design, Enhancing Anti-blue Light Performance, Radiation Protection, Anti-static, Relieve The Fatigue Of Eyes. 3. Filter out the 400nm-500nm wavelength Blue Light, protect your eyes, relieve eyes strain and help you sleep better. 4. Meanwhile it is clear screen protector, anti scratch coating that protect your TV surface from Child and Pets. 5. Easy to fix without any bubble: First, tear off the upper side double-sided tape, align the screen and paste it; check whether the whole film is aligned with the monitor, if ok, tear off the other three side double-sided tape