Lithonia Lighting’s Track Kit comes with everything you need for installation of track lighting in the box. Track heads are adjustable allowing for wide range of light direction. The innovative design and superior functionality make it ideal for specialty retail, grocery, galleries, museums, hospitality, residential and educational environments. Features: Made of steel Designed to cast directed light at the required angle Capable of being dimmed - allowing you to set your desired illumination levels when used with dimmable bulbs Lamping Technology: Bulb Base - Medium (E26): The E26 (Edison 26mm), Medium Edison Screw, is the standard bulb used in 120-Volt applications in North America. E26 is the most common bulb type and is generally interchangeable with E27 bulbs. Compatible Bulb Types: Nearly all bulb types can be found for the E26 Medium Base, options include Incandescent, Fluorescent, LED, Halogen, and Xenon / Krypton. Specifications: Bulb Base: Medium (E26) Bulb Type: Incandescent Bulb Included: No Wattage: 24 Voltage: 120v Color Rendering Index (CRI): 80 Color Temperature: 2700K Lumens: 500 Dimmable: Yes Height: 3.94" Length: 44.5" Width: 5.5" (measured from furthest point left to furthest point right on fixture) Location Rating: Dry Location Compliance: ETL Listed - Indicates whether a product meets standards and compliance guidelines set by Nationally Recognized Testing Laboratory(NRTL). This listing determines what types of rooms or environments a product can be used in safely.