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Range 100meters in open area/30meter at home, Size 38mmx 18mmx 100mm, Model DG-R8H Outdoor Sensor for TH11300 TH8380 TH1981 TH8805, Frequency 433MHz, Update Interval 60 Seconds, Power by 2x AAA / LR03
Aliexpress
There’re some similar (or not) items on Aliexpress
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. One coupon is available. Cool!
Link: Banggood product page
1. ($3.59): BGSAMRTH
apply code in your basket (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/5cd
Old coupons (from the oldest to the newest): aff7off, BGaDmITAd, bgchinafest, BGBFAFF2019, BGCITYADS2019, 2020CNY, BGDG15, BGSAMH, 20%DG422, BGDigoo15%, BGSMOFF, BGDGASG
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Digoo DG-R8H 433MHz Wireless Hygrometer Thermometer.
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)).