Provides a digital lighting platform to deliver general ambient lighting for surface-mount applications. Light engine delivers long life and excellent color to ensure a sound quality, low-maintenance light installation. Prismatic diffuser is 100% acrylic with sonically welded luminous ends. Metal parts are die formed from code-gauge steel. Continuous side flanges on fixture body provide light trap and continuous diffuser support to prevent accidental opening and simplify maintenance. Luminous end plates soften appearance for improved aesthetics. Curved prismatic diffuser with linear side prisms and highly transmissive overlay minimizes lamp image and provides high-angle brightness control. Long-life LEDs, coupled with high-efficiency drivers, provide extended service life. LBL4 LP840 is rated to deliver L70 performance at 50,000 hours.