The unique Ply System 0-10V dimmable LED inserts gives you the options you are looking for in one fixture. Engineered with energy-efficient LED technology and with a 120/277V 0-10V dimmable driver for a budget friendly 0-10V solution. Switch to desired Color Temperature (2700K, 3000K, 3500K, 4000K or 5000K) by using manual switch located on module.