A:Answer Hi Akron - Thanks for choosing GE! GE Profile™ 2.2 Cu. Ft. Countertop Sensor Microwave Oven Model #: PES7227EL(4)ES is designed for countertop use. This model is not compatible with a trim kit. The "built-in" ready model is
GE Profile™ 2.2 Cu. Ft. Built-In Sensor Microwave Oven
Model #: PEB7227ANDD (same features). This model is compatible with JX7227SLSS / JX7230SLSS (sold separately). We suggest viewing the Quick Specs for cabinet dimensions: https://products.geappliances.com/MarketingObjectRetrieval/Dispatcher?RequestType=PDF&Name=PEB7227ANDD_C2_18.pdf - Also, the base ban and bottom bracket are included. We suggest viewing the trim kit contents provided in the Installation Guide at this link: https://products.geappliances.com/MarketingObjectRetrieval/Dispatcher?RequestType=PDF&Name=49-40782.PDF - If you have any additional questions, do not hesitate to ask, we are also happy to help at GEAppliances.com! Sue