$20.49 – Xiaomi Mijia Smart Temperature Humidity Pro Electronic Digital Clock Watch E-link Thermometer Moisture Meter Work Mi Home.
Right now the best price with coupon code for Xiaomi Mijia Hygrometer Thermometer Pro is $20.49 (in Banggood). Just check coupons out (with price alert and history). What is best price?
Latest price update (UTC time):
Banggood ($20.49)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. Good or bad price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $16.94)
Link: Banggood product page
Price: $20.49
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG81309f, BGM1TOOLS88, BG05f151, BG20236Tool, BGTOOS729, BG31a67a, BG2e4d2f
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Mijia Hygrometer Thermometer Pro. The lowest price was: $15.99.
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)).