The glass screen protector for the Acer Iconia Tab 8 A1-840 offers reliable protection and perfect visibility. It features a hardness of 9H and scratch resistance, ensuring the screen remains safeguarded from everyday damages. The oleophobic coating reduces fingerprints and smudges, while the 99.9% transparency maintains screen brightness and color accuracy. The bubble-free easy installation ensures quick application without affecting the touch screen's sensitivity and precision.