Product details:

Energy-efficient LED grooved track head. Silver finish with nickel finish arm. Compatible with Juno track lighting applications only; not for mono point applications. Adjustable head, swivel arm. 350 degree rotation; 90 degree pivot. 38 degree beam angle. 120 volt. Cree Xlamp on board. 8 watt built-in LED. Light output is 560 lumens. Light output comparable to a 50 watt halogen bulb. 2700K color temperature. 80 CRI. LED averages 30,000 hours at 3 hours per day. Dimmable to 10% with an electronic low voltage dimmer, or an LED rated dimmer. Head is 2 1/4 round, 3 3/4 high. Head is 5 1/2 off track when aiming straight down.