OverView NSL­5521 55” Near­seamless LCD video walls The OverView NSL­5521 55" tiled LCD video wall uses durable LED backlights positioned These tiled LCD video walls offer the best image quality around in terms of resolution, brightness and viewing angle. Because LED backlights reduce burn­in and colorations in the LCD filters and polarizers, the OverView NSL­5521 has a long panel life. directly behind the LCD panel and has a super narrow bezel, resulting in excellent tiled visual performance. This video wall series was designed for 24/7 use in control rooms. Its deep dark levels are perfect for visualizing data­driven information, including process control schematics. Furthermore, the OverView NSL­5521's exceptionally high brightness levels also allow these video walls to be used in any lighting condition. ⋅ Emergency Operations Centers ⋅ Traffic management and surveillance centers ⋅ C4I­SR environments ⋅ Utilities and process control centers ⋅ Broadcast & telecom monitoring

S­PVA, normally black,DID technology for extensive usage,AIR Anti Image Retention circuitry