The 52" Class (52-1/16" 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-E521 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. Fanless architecture helps ensure ultra-quiet reliable operation, and optional input/output expansion board and signage controller provide maximum flexibility. The PN-E521 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). Also available is the PN-E521P, which features an integrated protective overlay for use in high traffic areas.