NEC V552 55" 1080p 60Hz High-Performance LED Backlit Commercial-Grade Display LCD TV LED backlighting technology reduces power consumption and allows for a slimmer cabinet depth Built-in expansion slot supports the Open Pluggable Specification (OPS), which is the industrys first standardization option slot that simplifies digital signage installations Full 1080p high-definition resolution provides stunning detail Tile Matrix allows you to create video walls up to 10 x 10 NaViSet Administrator 2: Free software solution that greatly eases administration and management of larger display device installations