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The 52-inch class (52.06-inch Diagonal) PN-E521 LCD monitor offers exceptionally high image quality and reliability for use in commercial display and digital signage applications. 24/7 certified, the thin bezel PN-E421 offers full 1920 x 1080 (1080p) resolution from analog RGB, digital RGB and HDTV video sources along with compatibility for use in both portrait and landscape modes. The PN-E421 LCD display professional monitor is fully compatible with SDSS™ Sharp Digital Signage Software and is backed by a 3-year on-site limited warranty (covering parts, labor and backlight).