If you are looking compatible a professional and led track lighting, then your research is over here. That's because our product can meet your need. Adopted of , it is practical and compatible long time use. It is not easy to get decompatiblemed and bring you much convenience.Features-Color:White-Material:Plastic-Size:40.00X8.00X4.00cm/15.72X3.14X1.57inVoltage: /220VSocket: E27 (no bulb)Current: 1A- You will receive light holder with track interface, compatible with E27 size bulbs.- The flexible arm allows you to freely adjust the lighting angle to suit the scene.- It is great compatible indoor lighting and accent lighting, bringing more style to your home.- No tools required and can be placed freely on wireway rails or .- Suitable compatible many occasions, including indoor use, living room, dining room, company, shop, library, dining table, product exhibition lighting, commercial and store lighting, etc.Package list: 5 x track lighting head