Screen Size 33.6×41.6mm/1.3×1.6in, Temperature Range 18-27℃/64.4℉-75℉, Temperature Accuracy ±1℃/±1.8℉, Material ABS, Humidity Accuracy ±2-3%RH, Product Size 46×62.5mm/1.8×2.5in, Humidity Range 40&-75%, Color Black.
Just check coupons out (with price alert and history). Do you want to know what the best price is?
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.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($8.99): BG33c6ec
2. ($14.64): Cuponation9
3. ($14.80): TTSUMMER8
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGUdb66, BGUbf61, BGTYOI823, BGESAM823, 00c906, BGPTES823, BGXPJA134, BG00c906, BGHealth10D, BGR2022CNY52, 2022ACTIESNL, BGHB218, BGXPFE223, tRaDetRaCKeR, BGHECARE1, BG4ee866, BG7726eb, BGda53ed, BG852e42, BG7a90cb, BG0d5b6c, 9OFFSUMMER, BGbae7ea, BG7945e2
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – 2pcs ELEGIANT Indoor Temperature Humidity Monitor [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for 2pcs ELEGIANT Indoor Temperature Humidity Monitor. The lowest price was: $5.99.
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)).