HomeKit DoHome Temperature Humidity Sensor [EU] (Banggood, Aliexpress: Humidity measurement accuracy: +/-%3RH, Power consumption: 350uA, Temperature measurement accuracy: +/-0.5C, Temperature measurement: -40C-80C, Size: 40*40*18mm, Power supply: 3.1-5.5V, Humidity measurement: 0-99.9%, Humidity resolution: 0.1%RH, Temperature resolution: 0.1%C (the best price with coupon)).
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Aliexpress
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Banggood
Banggood warehouse is located in Europe 
. As you can see I didn’t find any active coupon for this product right now… I’m not sure about the price, coz I have only 1 record(s) in my database.
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/feV
Price history and price alert
It’s a new item in our database, so I can’t create price history chart. We have saved this price in database: $2.99.
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)).