Astrolux K1 XP-G3+UV+Red Flashlight Colorful (Banggood, Aliexpress: XP-G3 + 365nm UV LED+RED LED, 6000-7000K, 350LM, Built-in 500mA rechargeable li-ion battery, 1230cd (the best price with coupon)).
Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
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.
Link: Banggood product page
1. ($20.78): FIN4869
2. ($20.78): BGtorch2
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): NWTO10R, 78da70, cmb1, CMBB, FLSTNE, BGAK1, M4BG, BGBFCR02, BGBFCR41, BGBFCR40, ECFKL, FMBG, AXMAS, BGAB20, BGASTROLUX, BGTORCH, BG1107YB, BG1107YR, BGFLS15, BGAST25, BGAFF10OFF, BGCuponation10, 4BLF, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, 6GSGIT, BGTorch4, 00c906, BGXMAS58, BGtorch3, BGAlerabat15, BGtorch7, BGAlerabatI
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – Astrolux K1 XP-G3+UV+Red Flashlight Silver ($-3)
2. China – Astrolux K1 XP-G3+UV+Red Flashlight Blue ($-3)
3. China – Astrolux K1 XP-G3+UV+Red Flashlight Black ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Astrolux K1 XP-G3+UV+Red Flashlight Colorful. The lowest price was: $14.9.
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)).