Globe Electric Products SLEEK DESIGN: brushed steel finish is sleek and will go with and dcor while the s-shape brings a new look to a classic design ADJUSTABLE TRACK HEADS: four independently adjustable track heads to direct and focus light where needed DIMMABLE: fully dimmable with compatible dimmer switch to create the perfect atmosphere (dimmer switch sold separately) EASY INSTALL: includes all mounting hardware for quick and easy installation BULB INCLUDED: 4x GU10/Bi-Pin Base MR16 Shape Bulbs Included - 465 lumens - 50-watts - 2700 kelvin (warm white) - 3,000-hour bulb life