Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Detector type VOx/7.5~14μm, Field of view(FOV) 50°×38°, Spatial Resolution(IFOV) 7.6 mrad, Focus Focus-free, IR Resolution 120×90@17μm, Focal Length 2.28mm/F1.13, Thermal Sensitivity / NETD 60 mk, Frame Rate 25HZ/9HZ
Aliexpress
There’re some similar (or not) items on Aliexpress
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. I don’t think there is an active coupon right now – at least 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/5cd
Old coupons (from the oldest to the newest): BGec87b3, BGGines, Tabby20
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for GUIDE T120 Thermal Imager 120×90.
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)).