Knife Edge Ceiling is another innovative design, coming from the family of plaster-in 24VDC systems, pioneered by PureEdge, that recess within 5/8" drywall without joist modification. With a true Knife Edge profile, there is no visible sightline of the lens or light shield, delivering a seamless, visual field across adjacent surfaces. The Knife Edge system generates a sophisticated and seamlessly sharp architectural element, providing consistent lighting across neighboring surfaces. It accommodates 5/8" thick drywall on its underside, making it suitable for architectural reveals, accent lighting, and surface mount applications. Offered in multiple wattage and color temperatures ranging from 2400K through 4000K. Remote Power supplies are required and sold separately. Remote Power supplies are required and sold separately. Coordinate installation with electrical and drywall contractors. Includes a 5-year pro-rated warranty.