A:Answer The differences are that the LG Door-in-Door 26.0 Cu. Ft. Side-by-Side Refrigerator with Thru-the-Door Ice and Water - Stainless Steel, Model # LSXS26366S does not have a Child Lock, It uses a Different Water Filter, it has Cantilevered Shelves, it is not ENERGY STAR® Qualified, it does not have SmartDiagnosis™, it does not have an InstaView™ Door-in-Door®, it doesn't have Voice Activation, or ThinQ® Technology with Proactive Customer Care and it does not work with Google Assistant and Amazon Alexa and is not Wi-Fi enabled...^IFV