Aliexpress
Click here… to search for OUTERDO Zoomable LED Headlamp with Batteries [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t really know if this price is reasonable, coz there’s no price history in my DB.
Link: Banggood product page
Coupon (17.28 USD): Cuponation9
Coupon (17.85 USD): BG00c906
(CouponsFromChina.com tip: just apply this code in your 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): BG52bc1b, BG755a31, BGea6594, BG6a353f, BG1c954d, BG2f2ff6, BG2b7c43, BGAMSO, 2022ACTIESNL, 8wEbgaInS5, BG71c041, BGsport01, BGbhlight01
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was 11.99 USD though.
You can set price alert (for Banggood).