Dual Alarm with Snooze Function, 3x AA Batteries, &, 12 HOURS Barometer Trending Display, Time & Date & Month, or, Unit Settable (hPa/ mB/ inHg), IN & OUT Range: 20% RH ~ 90% RH, Special USB Power Cable (Includes), Outdoor Range: -30°C ~ 60°C (-22°F ~ 140°F), Range: 800hPa -1100hPa, Real Time In&Out Hygrometer Thermometer (°C/°F), 3x DG-R8H Outdoor Sensor, Indoor Range: -10°C ~ 50°C (14°F ~ 122°F), (with D/M or M/D format for your favor selection), Historical Max/Min Temp and Humidity Data.
Just check coupons out (with price alert and history). What is 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 price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
1. ($29.75): aff7off
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): WS11300, 0404digoo, affiliate6, 2019SPEDM, bgssaff9, BGDigoo15%, BGaDmITAd, 13f142
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Digoo DG-TH11300 Wireless Weather Station [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Digoo DG-TH11300 Wireless Weather Station. The lowest price was: $8.99.
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)).