Compact, lightweight design for ease of installation, High Impact Polycarbonate optical lens, 5 lumen packages available (9,000, 12,000, 15,000, 18,000 and 24,000), Simple switch available to set lumens as needed for the task, High-Performance efficacy up to 147 lm/W, Connected lighting options available for added savings, Lumen Maintenance – L85 @ 60,000 hours, Precision optics in narrow and wide distribution, 0-10V Dimming driver standard, Up to 65% energy savings