Dimmable * 830 Lumens (light output), 14.6 Watts, and 57 Lumens per Watt (efficacy) per fixture * 35,000 hours LED lamp life * Mercury and lead free * Overall dimensions: 5.9 inches wide, 6.7 inches tall, 36 inches extended; Single Light dimensions: 3.3 inches long, 2.3 inches tall