The Decora Smart Wi-Fi product line was designed for North American countries which conform to the NEMA standard.
This includes, but is not limited to:
United States
Canada
Mexico
Antigua & Barbuda
Aruba
Bahamas
Belize
Brazil
Cayman Islands
Colombia
Costa Rica
Dominican Republic
Ecuador
El Salvador
Guatemala
Honduras
Jamaica
Nicaragua
Panama
Trinidad & Tobago
Venezuela