What makes Keystone ADVANTA Downlights so great? Power-Select and Color-Select technology is a start, as it reduces SKU options and adds flexibility on the field to change the light output/color a needed. the AdvantaEMRG is a fully-integrated Emergency backup unit that takes the guesswork out of Emergency downlight installations. If you don't have a lot of room to work with, the AdvantaRMT offers a remote driver option for areas with narrow plenums.