$8.49 – WiFi Temperature Humidity Tester Smart Home Integration Alexa Google Assistant Mobile App Control -10 to 60℃ 0-99% Humidity.
According to my DB the lowest price is $8.49 for WiFi Temperature Humidity Sensor (in Banggood). Get coupons, create price alert or check price history out! Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($8.49)
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product in Banggood. Is it good price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $7.99)
Link: Banggood product page
Price: $8.49
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG777610
(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
Do you need price history chart (for all/most countries) for WiFi Temperature Humidity Sensor? There we go. The lowest price was: $7.49.
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)).