Which frequency version to order
Z-Wave products use a different wireless frequency globally. See 'Z-Wave frequencies' for detailed information on which frequencies have been legally approved for use in different countries.
About Recessed Door Sensor Gen5 (ZW089) from Aeotec
Open/close door sensor designed for invisible, recessed installation built upon Aeotec's Gen5 technology stack. Upgraded in some regions to Recessed Door Sensor 7.
Aeotec maintains Recessed Door Sensor Gen5 user guide and setup information at that link.