Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Smart Life WIFI Temperature Humidity Sensor Tuya | 9.58 USD | – |
 |
Tuya Smart Life WiFi Curtains Switch | 11.06 USD | – |
 |
Atorch Tuya AC50-320V Smart Life Din Rail WIFI Smart Energy Meter | 18.30 USD | – |
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it?
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGSmart6, BGAlerabat1, 8Couponsde, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, hoNEYbGdeAlS, BGJUNEGSG9, BG8ReviTrage, Cuponation9
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Tuya Smart Life 10A-125A 1P Smart Circuit Breaker.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).