Got as a freebie - still in its packaging. Plug-in diffuser with refill.
NOTE WELL: It says "MADE FOR UNITED KINGDOM" and then it says "To be used with 110-120V AC only" with other warnings. So I cannot say how you can use it.
Dog Calming Diffuser Kit (Little Hulton M38)
This offer has been gifted to someone and is no longer available.