Bulbs not included: Works with standard E26 light bulbs, up to 50W max. Easy bulb replacement. H Type Track Compatible: Specifically designed for single-circuit H-type track lighting systems(Track Rail Not include, not compatible with J or L track). Flexible Track Heads: Adjust the positioning with a horizontal rotation range of 350 degrees and a vertical rotatable range of 90 degrees. Retro Vintage Style: Add a touch of timeless charm to your home with these vintage-inspired track lighting heads. 3 Years Service: Enjoy peace of mind with our extended Service, ensuring long-lasting quality and performance. Hiiglxii E26 Track Light Heads H Type Track Lighting Heads Direction Adjustable LED Track Lights Fixture Dimmable for Kitchen, Retro Vintage Style, Bulbs Not Included - Pack of 4(Brass)