ATM you can buy 2Pcs Indoor Digital LCD Thermometer Hygrometer for $6.99 (in Banggood). Just check coupons out (with price alert and history). You probably want to know what is the best price?
2Pcs Indoor Digital LCD Thermometer Hygrometer Electronic Temperature Humidity Meter Sensor Gauge with Air Comfort Indicator for Home Office Bedroom Living Room Bathroom School
Latest coupon code price check (UTC time):
Banggood ($6.99)
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood. You probably want to know if this is a good price. Well, this price is higher than average price ($4.22)
Link: Banggood product page
Price: $6.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG0d498b, BG70fb2b
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
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 2Pcs Indoor Digital LCD Thermometer Hygrometer.
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)).