According to my DB the lowest price is $15.99 for LDNIO 16A Smart WiFi EU Plug Socket (in Banggood). Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Input: 100-250V 50/60HZ 16A MAX, WIFI frequency: 2.4GHZ, Size: 91.5*46.5mm, Rated parameters: 4000W-16A(MAX) 250V~
Latest price update (UTC time):
Banggood ($15.99)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. But wait a sec… Is it a good price? Hmmm, price is higher than average (which is $14.32 right now), so better set price alert down below…
Link: Banggood product page
Price: $15.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
LDNIO Tuya Smart Socket With Switch Wifi Smart Plug Support Timing Mode Smart Life APP Remote Control Universal Travel Adapter | $10.13 | – |
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for LDNIO 16A Smart WiFi EU Plug Socket is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).