Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update.
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): 15TH11200, 0404digoo, affiliate6, aff7off, BGaDmITAd, BGDigoo15%, BGSAMH
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for DIGOO DG-TH11200 Weather Station? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).