Ideal for task lighting, restrooms, under/over cabinet, storage closets and displays. Certain airborne contaminants can diminish integrity of acrylic. Construction: Lightweight compact-designed channel and cover are formed from cold-rolled steel and painted after fabrication. Finish: High-gloss, baked white enamel (standard). Optics: LEDs provide 88 color rendering index (CRI) at 4000 Kelvin with lumen output of 2,100 lumens. Diffuse acrylic lens providing a single smooth line of light shaped to resemble a fluorescent tube. Electrical: 80% lumen maintenance at 60,000 hours; predicted life of more than 50,000 hours. Installation: Snap-lock tool-less channel cover for quick and easy installation. Mounting hardware included for surface mounting on ceiling or wall (horizontally or vertically). Not designed for continuous row mounting or daisy chaining. Listings: UL/C-UL listed to US and Canadian Safety Standards. For use in ambient temperatures from -22°F (-30°C) to 77°F (25°C). Approved FCC Part 15 Class B.