FEATURES
Shabbos Keeper is compatible with select GE Appliances bottom freezer French-Door refrigerators and select GE ranges. 
Developed with ZMAN Technologies, the GE Appliances Shabbos Keeper is the most advanced Shabbos keeping device available. 
It conveniently sets the appliance automatically to Sabbath mode, then sets back to the weekday mode. 
Certified by OU, CRC & HalachTech. 
When Shabbos is activated, light bulbs automatically stay on with interior lights at 20% brightness, the auto defrost and compressor are fully automated and user actions are not read. 
The following features are deactivated: 
Door Switches, Sensors, Touch Screens, Icemakers, Water Dispensers and Internal Computers. After Shabbos mode has ended, all normal operation resumes.