The Microwave Halogen Lightbulb Is An Accessory That Replaces The Light Inside Your Appliance That Illumates The Cooking Area During Use. This Accessory Can Be Used With Select Jennair Microwaves; Check To See If Your Model Is Compatible. Installing This Accessory Will Require Basic Hand Tools, Some Disassembly Of The Microwave And Novice Repair Experience. You Must Unplug The Microwave Or Shut Off The House Circuit Breaker For The Refrigerator Before Installing This Part.