Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – MoesHouse MS-108WR WiFi RF Smart Curtain Blinds Module (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t think there is an active coupon right now – at least in my database. Sorry, but there’s no price history in my database.
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): BG1679938, 6GSGIT, BGSmart6, MVC8SPRING, 8BGwbg2204, 8wEbgaInS5, pROMo8cuPoN, BGJUNEGSG9, Cuponation9, 9OFFSUMMER
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – MoesHouse MS-108WR WiFi RF Smart Curtain Blinds Module (-3 USD)
Price history and price alert
Well, you won’t see price history chart, coz we have only 1 database record for this item (and price was 11.99 USD).
You can set price alert (for Banggood).