Product packaging: This set includes track lighting head with adjustable direction, suitable for the track system, which is convenient for you to choose and replace the bulb as needed. Flexible adjustment: Each lighting head is designed with a flexible rotation mechanism, which can easily adjust the lighting angle to meet the lighting needs of different occasions and spaces. Whether it is home, office or exhibition space, it can provide ideal lighting effects. Simple and modern appearance: Made of high-quality materials, the appearance design is simple and modern, and can be easily integrated into various decoration styles. Not only does it provide practical lighting functions, it is also a perfect choice for your space decoration. Note: This product does not include a bulb. In order to achieve the best use effect, it is recommended that you choose a suitable LED or energy-saving bulb according to your lighting needs. Colour:As Shown Material:plastic Package Contents: 10 * Lighting(5pcs white + 5pcs black) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.