The HALO LT LED retrofit is an energy saving solution designed for use with new construction or remodel housings. With the flick of a switch, you can choose between 5-color temperatures ranging from warm (2700K) to daylight (5000K). Available in 4 in. and 5/6 in. apertures, the LT series is the perfect solution for general area downlighting in retrofit, remodel, or new construction applications.