LED Track Lighting Kit: This set of LED track lighting Kit include 12 track heads, 4X3.3FT h track lighting rails (totaling 13FT), 4 mini "I" connectors for connecting within h track rails, live end feeds, end caps, floating canopy connector and screws. Please note that the "L" shape connector, dimmer, and plug cord are not included 15° to 60° Zoomable: Similar to a camera's zoom lens, our led track light heads offer adjustable focus, enabling you to control the lighting area and create the ideal light spot 10%-100% Dimmable: 12W COB Track Lighting Heads, 15° -60° beam angle, 1,000 Lumen real output for each(70w halogen equivalent), much brighter than others, and it can smoothly dim from 10% to 100% with TRIAC dimmer Flicker-Free, CRI 90+: Say goodbye to harsh lighting and hello to eye-protective illumination. TuyuBEE LED Track Lighting Heads have a high Color Rendering Index (CRI) of 90+, ensuring true color representation. Ideal for accent lighting, these track light heads are perfect for commercial spaces, shop windows, kitchens, gallery, living room, bedroom and more 3 Years Service: Rest easy knowing that your TuyuBEE LED Track Light Kits are by a 3-year service. The solid aluminum body ensures excellent heat dissipation, extending the lifespan of the lights up to 40,000 hours. If you encounter any issues, simply contact us, and our responsive customer service team will assist you promptly TuyuBEE Zoomable 12-Light LED Track Lighting Kit with 13FT H Track Lighting Rail & Floating Canopy Connector, Modern Kitchen Track Lighting Fixtures Ceiling Spotlight, 12W Track Heads 3000K White