Aliexpress
Click here… to search for NIWALKER ETmini V1 CW/NW Flashlight PUSRA1.PM on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (32.47 USD): BGtorch9
Coupon (32.47 USD): BG8Alerabat
(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
Old coupons (from the oldest to the newest): BG10OFFAFF1, FIN1880, BGCETV1, BANGGOODSD, BGTorch4, 00c906, FIN8067, BGtorch2, BGtorch3, BGAlerabat15, FIN3070, BGtorch7, BGAlerabatI
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for NIWALKER ETmini V1 CW/NW Flashlight PUSRA1.PM.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).