Feit Electric 75 Watt LED PAR30 SPOT ,LED DIMMABLE bright white 3000k uses only 13 WATTS -Track and Recessed - 2 Pack (1045430 Feit Electric PAR30 LED Bulbs Dimmable SPOT Bright White Light 3000k (2 Pack) 75 Watt Replacement Uses Only 13 Watts Track and Recessed, For Dimmer switch compatibility look at manufacturer site http://www.feit.com/Dimmer_Compatibility