It's like this https://m.aliexpress.com/item/32231693227.html?trace=wwwdetail2mobilesitedetail&productId=32231693227&productSubject=BO-2203QNAOS-FREE-SHIPPING-Wholesale-AC200V-AC240V-AC100V-AC120V-3g-h-adjustable-ozone-generator-for-water&spm=2114.40010608.4.11.uDjWgp#autostay
which is 240V so...