Advantage： 1.VERSATILE PLACEMENT: the two flexible 15.75" rails can be used together or placed end to end to create many different lighting designs. 2.ADJUSTABLE TRACK HEADS: 6 independently adjustable track heads for directional lighting to focus individual lights on different areas.  Easy Install: includes all mounting hardware and a canopy mounting plate for quick and easy installation.Also can be installed on a sloped or vaulted ceiling. 4.BULB INCLUDED: 6x 3W GU10 led bulbs. Specification: Finish: matte nickle Material: nickel steel CRI:>85 Voltage:86-265V/50-60Hz Location: dry location Power:6*3W Light source:Gu10 led bulb(Bulbs included) Color temperature:3000K/warm white Max Wattage: 50W (Each Head)