Lengths made-to-measure; Adjustable lampholders; Choice of diffusion glass lensing for light control; Plaster, flanged or flangeless trim; Lamp spacing as per order - 9" minimum c-c; Housing: CNC fabricated from 18 gauge steel; Lampholder Assembly: Metalspun steel; Trim: Extruded aluminum; Finish: Trim: Flanged (white), Flangeless (black), Housing: (black); Thermal Protection: Integral; Integral low-voltage electronic transformer(s) - 12V secondary voltage; Through branch wiring capable; Input voltage: 120V or 277V; Remote transformer(s) optional; Universal mounting brackets included, mounting bars available; UL; Union Made in the USA