Thank you @geeji . Much appreciated. Been looking for exactly that.
I’m looking at the DSC11 too from aliexpress.com to see if that’ll work. $97 for a power strip is expensive though.
All Aeon products for US markets, including range extenders, are 220v compatible, even if it says 110v on the device. So you get US Z-wave frequency in 220v format.
Do not have permanent power voltage converters switched on, they could be a fire risk, as most are cheaply made… and the expensive ones draw too much power
When Bobby @SBDOBRESCU lived in a 220V country, he cut his ST hub in half. That’s what the rumor is. 
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I live in France (230V)
I have an US google home and all work good
For my Smartthings hub, i have an UK hub because of the z-wave freqency same in france (and UE)
Actually, the wire of the Hub itself has adapter which can be used for any country ( I live in 220v country, too, and it works well). So there is no worry about the hub but you have to find things which work with 220v. For lights, I suggest Philips Hue light bulbs and Bridge in UK ( work with 220v). For AC, TV, speakers, … Harmony Hub is highly recommended. For voice control, google home and google home mini are a great choice for you because you are not living in US to use Echo Alexa.
I know it is late, but thought would share an official email response from Aeotec. I received this today:
"Hi khan,
Ticket: https://aeotec.freshdesk.com/helpdesk/tickets/1441672
I can fully confirm that all of our Z-Wave products support the voltage variable between 100 - 240VAC 50/60Hz. The US Range Extender 6 will work properly on 220VAC.
Cheers,
Chris Cheng
Field Application Engineer
Aeotec Inc.
www.Aeotec.com