Fitorch K3 Lite Keychain Flashlight (Banggood, Aliexpress: Reflector Precise metal filmed, Housing Premium hard-anodized anti-abrasive finish, Switch Single switch all-round, Weight 26.2g, Size L53 * W30 * H12.4mm, Glass Filmed mineral glass, Brand Fitorch K3 Lite, Material Aluminum body, Input 2.8Vdc-4.2Vdc, LED 1* XPG2/XPG3 white LED + 1* XPE2 red LED + 1*High rate 370nm UV LED, Output Max 550 lumens (the best price with coupon)).
Check coupons or create price alert down below. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood.
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/feV
Old coupons (from the oldest to the newest): BGK3, 502C6B, BGF1111, 0e7f33, BGFITORCHSS, BGFLS15, BGAFF10OFF, BGCuponation10, 4BLF, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, BGTorch4, 00c906, BGtorch2, BGtorch3
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for Fitorch K3 Lite Keychain Flashlight. The lowest price was: $17.46.
Price records source(s): Gearbest, 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)).