Ultra-clear High Definition with 99.9 percent transparency to allow an optimal, natural viewing experience.Highly durable, scratch resistant, shatterproof and topped with oleophobic coating to reduce fingerprints. Offer the maximum protective amount of coverage for the screen.Easy and bubble-free installation that easily fits your device's screen. Tips: Adjustment sensitivity to maximum; Enter fingerprint after the screen protector sticking; In order to improve the degree of fingerprint recognition, ensure one-time completion.We puts customers in the first place from beginning to end, we takes full responsibility for any problems during the course of pre-sales, after-sales. If You have any questions, including fingerprint unlocking issues, please feel free to contact us.