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 Home Energy Meter Gen5 (ZW095) from Aeotec
Monitor and log whole-premises electricity consumption in real-time. Record how much electricity you spend by using Aeotec Home Energy Meter Gen5. It’ll record up to 200 amps of your home’s electricity use in real-time with 99% accuracy. And it’ll share it with your Z-Wave gateway, you'll then be able to reduce how much those electronics are costing you.
Visit Home Energy Meter Gen5 technical specifications at https://aeotec.freshdesk.com/support/solutions/articles/6000168072-home-energy-meter-gen5-technical-specifications-
Aeotec maintains Home Energy Meter Gen5 user guide and setup information at that link.