Air pressure detection range and accuracy 30KPA – 110KPA / ±120Pa, Color White, Model Aqara Temperature Humidity Sensor, Material Plastic, Brand Aqara (Xiaomi Ecological Chain), Wireless Zi-Bee, Humidity detection range and Accuracy 0 – 100%RH (No condensation) / ±3%, Product size (Lx Wx H) 36x 36x 9 mm / 1.42x 1.42x 0.35 inches, Temperature detection range and Accuracy -20℃ – +60℃ / ±0.3℃.
Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
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. ($29.11): BGGutscheine
2. ($29.43): BG8ReviTrage
3. ($29.43): BGcoupon8off
apply it 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): BGc1eb84, BGAQA929, BGSmart6, MVC8SPRING, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, hoNEYbGdeAlS, BGJUNEGSG9, Cuponation9, 9OFFSUMMER
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for 2x Aqara Smart Temperature Humidity Sensor? There we go. The lowest price was: $25.59.
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)).