Just check coupons out (with price alert and history). Do you want to know what the best price is?
Indoor temperature range: 0 Deg.C – 50 Deg.C, tolerance: ±1 Deg.C, Indoor humidity range: 25 percent – 95 percent, tolerance: ± 5 percent, Outdoor temperature range: -35 Deg.C – 60 Deg.C, tolerance: ±1 Deg.C, Outdoor humidity range: 25 percent – 95 percent, tolerance: ±5 percent, Transmission range: up to 325 feet / 99m, Display: AC adapter (Output: 5V, 1.2 amp); 3x AAA batteries backup (not included), Sensor: 2x AAA batteries backup (not included)
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest price update (UTC time):
Price history and price alert
Do you need price history chart (for all/most countries) for Houzetek W001 Wireless Automatic Weather Station? There we go.
Price records source(s): Gearbest
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)).