Input: DC 5V/1A, Humidity Measure Accuracy: ± 5% RH, Product Name: IR Smart Digital Temperature and Humidity Sensor, APP: Smart Life/Tuya Smart, Compatible OS: Android 4.4 and above /IOS 8.0 and above, Color: Black, IR Range: 10 Meters, Temperature Measure Range: 0-60℃, Wifi Frequency: 2.4GHz IEEE 802.11 b/g/n, Voice Control: Google Home /Amazon Alexa, Temperature Measure Accuracy: ± 1℃, LED Indicator: Blue, IR Frequency: 38KHZ, Humidity Measure Range: 0%-99% RH.
Check coupons or create price alert down below. Best price?
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. I have no active coupons for you right now.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): Cuponation9, BGRTYIRCN
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Tuya IR Smart Digital Temperature Humidity Sensor. The lowest price was: $10.99.
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)).