5 Color Temperatures in 1 H Type Track Lighting Heads: Selectable CCT, Choose color temperature (2700K, 3000K, 4000K, 5000K, 6000K) to tune track lighting heads to your preferred color setting. Easy color temperature (CCT) selection with the slider switch on light. Try each color temperature to suit the look and feel of your room, then lock in your selection during the installation. Support Seamless Dimming Capabilities: 4 pack of 10W Dimmable LED H Type track light heads with Seamless dimming capabilities (10%-100%) to fit any mood or decor. (Dimmer not include) Excellent Lighting Effect Track Light heads: LED track light heads is compact in size but has excellent performance, it only needs 10 watts to produce 9,00 lumens of brightness, using less than 1/4 of the energy of halogen lamps. CRI 90+ 24° Beam Angle Makes any Space Sparkle: 10W White track light head, 24° beam angle, produces even light distribution, CRI>90+, can present rich colors and make accent lighting look natural and bright Highlight artwork in a space, perfect for brightening up your living room, kitchen, office, commercial space and more. Only Compatible with Single Circuit H Type Track Lighting Systems, The H type track light heads can provide 350° horizontal coverage and 90° vertical aiming capabilities as needed. The track light fixtures is available in white or black finishes, and the high-quality aluminum housing provides excellent LED thermal management and a lifespan of up to 50,000 hours. Choose AIBISOD: If the track light head stops working or develops any defects within 3 years, please contact us, and our friendly customer service team will address your concerns within 12 hours. H track lighting heads 5 COLOR SELECTABLE ,5 color temperature options that can be easily adjusted with the back switch, to match the surrounding environment or to preference. 5CCT in single track head: 2700K warm white, 3000K soft white, 4000k cool white, 5000k daylight white, 6000k daylight glow