Aliexpress
Click here… to search for Waterproof Digital Meat Thermometer [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. This is new product in my database, so I don’t know if this price is good.
Link: Banggood product page
Coupon (7.99 USD): BG5a49fa
Coupon (15.46 USD): Cuponation9
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Price history and price alert
There is only one database record (it was for 7.99 USD), so you can’t see price history chart.
You can set price alert (for Banggood).