$23.98 – Power: 1x CR2032 Battery(Not Included)., Humidity range: 0-100%., Temperature accuracy: -10℃-70℃±0.5℃/0.9℉;-40℃-10℃±0.8℃/1.5℉., Humidity accuracy: 35%-80%±3.0%; other±5.0%., Connect interface: USB., Record interval: 1s-24hour (adjustable)., Temperature range: -40℃-70℃/-40℉-158℉., Export format: PDF & Data graph., Humidity resolution: 0.1%., Temperature unit: ℃/℉., Temperature resolution: 0.1℃..
Use coupon and get BSIDE BTH81 Temperature Humidity Data Logger for $23.98 (from Banggood). Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($23.98)
Banggood warehouse is located in China. You probably want to know if this is a good price. From what I can see this price is higher than average price ($16.69). There is one great coupon!
Link: Banggood product page
Price without coupon: $25.24
1. ($23.98): BGMAI666
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGGines, BGTOOS729
(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 BSIDE BTH81 Temperature Humidity Data Logger? There we go. The lowest price was: $15.49.
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)).