1、[Effective Anti Blue Light] Blue light filter film can block over 99.99% of harmful blue light wavelengths (380 to 400nm) on the screen, and block 99% of UV light, guard your eyes, help minimize eye fatigue. 2、[Easy Installation] Stick the anti slip sticker on top of the blue light blocking screen protector, hanging it on top of the display frame, and it can be easily installed and removed. 3、[Excellent Color Transmittance] The anti blue light screen protector provides excellent color transmittance and clear field of view, ensuring excellent screen performance. 4、[Extend Lifespan] This screen protector can also guard your screen from scratches and dust entering, extending the lifespan of the display. Equipped with soft super fine fiber cleaning cloth, easy to clean. 5、[Widely Compatible] This PC screen protector is compatible with most brands of displays. If you purchase a new display, it can even be disassembled and reused.