hanging length adjustable, 31.50~47.24 inch, track rail NOT included. ETL listed, 650lm per LED pendant luminaire, dimmable with TRIAC dimmer. Easy to install, universal line voltage track light head, fit in 3-wire single circuit track system. Uniform illumination with integrated spot type LED (COB) with parabolic aluminized reflector. No UV, no IR, safe as accent task lighting for artworks. 2 years lifetime warranty. mirrea 6 Pack 9W Dimmable LED Track Pendant Lighting Compatible with Single Circuit H Type Track Lighting Rail 90 CRI 3000K Warm White 24° Black Painted