Tech Lighting MonoRail is the recognized leader in low-voltage lighting systems. MonoRail lighting is hand-bendable, so you can custom create the ideal shape to enhance and illuminate any room. Try a smooth curve to follow the line of a reception desk, or run MonoRail along a soffit for architectural effect. Colored MonoRail adds a surprising detail to elevate a room to the extraordinary. Choose any of nine colors to coordinate or contrast with your interior.