Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (18.89 USD): BGSM30%
Coupon (21.69 USD): BGTD01
Coupon (23.75 USD): EYBG
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Price history and price alert
Price history (for all/most countries) for Thorfire TD01 Diving Flashlight is here.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood).