A multi-purpose LED utility luminaire with externally mounted infrared motion sensor featuring high quality LED arrays from leading component manufacturers. Ideal for stairwells, closets, coves, restrooms and a variety of other areas. Offered in 2 ft, 4 ft and 8 ft lengths (nominal) and 3 output levels (low, med, high). Designed to be a long lasting, low maintenance luminaire, units are available with low glare impact resistant diffuser (choice of round or square). Available in ceiling or wall mount option sensor aimed down in both cases. Bi-level fixtures operate at a low standby light level, offering energy savings, safety and security with full light output instantly upon occupancy with areas fully lit only as needed. Motion sensor options include 2 circuit (bi-level 25% or 50% dim), on/off or adjustable standby (choice of 7 dim levels) for added control and savings. Sensors are available with optional ambient light sensor for daylight holdoff and choice of lens patterns providing maximum coverage for almost any application.