XPG3 with Neutral White LED, Impact Resistant 1.5M, Max Output 400 Lumens, Range 150m (Max), Lens Tapered surface reflector designed with German standard, Waterproof IPX-8 waterproof.
Just check coupons out (with price alert and history). You probably want to know what is the best price?
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest coupon code price check (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!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): MC01LUM, brandLMT, AFfbG10, BGVDay10%off, BGLMTB, BGwhielabel, 13f142, BG10OFFAFF1
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for Lumintop C01 Bike Flashlight. The lowest price was: $18.99.
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)).