Topaz's 4' LED Linear Strip Luminaires feature a 3-CCT selectable switch for the greatest versatility in applications. Choose from 3500K, 4000K, and 5000K for the perfect color temperature to fit your needs. 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.