Humidity measurement range: 1 ~ 99% RH., Temperature measurement range: -20 ~ 120°C, Current: 10A. Maximum 16A, Voltage: 85-265VAC 50/60Hz /, Power: 1200W(120VAC) / 2200W(220VAC). MAX Power: 3680W(230VAC).
Basically copy coupon, view price history or create e-mail price alert. 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 coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
1. ($29.69): BGGines
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Price history and price alert
Do you need price history chart (for all/most countries) for S1 WIFI Tuya Digital Thermostat Socket Incubator Temperature Controller? There we go. The lowest price was: $22.49.
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)).