Topaz's 8' LED Linear Strip Luminaires features a 3-CCT selectable switch and an emergency battery backup that provides 90 minutes of illumination in the event of a power outage. The selectable switch allows you to choose from 3500K, 4000K, and 5000K for the perfect color temperature for your application. Direct surface mount with no gap and press to release buttons allow for quick tool-less access to the wiring compartment and the press-to-release feature makes installation in healthcare facilities, offices, and retail locations easy. This fixture is Ideal for use in new construction or remodeling of commercial facilities and is suitable for mounting heights up to 15-feet.