Lumens: 335LM, 0.5LM, Brand: FOLOMOV, 180LM, Low, 30H, Impact Resistant 1m, /, Runtime: 0.5H, Beacon, Switch Type: Clicky, Strobe, /, 40LM, 40LM, Max Output: 335Lumens, High, SOS, 150LM, /, Moonlight, 150LM, Product name: FOLOMOV PEN L1 Nicha E21A Flashlight Pen, Switch Location: Tail Switch, 0.8H, Model: PEN L1, 4.8H, Mode: Turbo, Waterproof: IPX-8 Waterproof, Medium, Size: 14mmx 114mm, Range: 62m, 1.2H, Emitter Type: Nicha E21A, Peak Beam Intensity: 951cd, Battery Configurations: 1 X10400Battery (Included), 8LM, Weight: 37.3g.
Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the 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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
1. ($40.78): BG10OFFAFF1
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 and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): EYBG, BGE21A, BGBSFV, BGTORCH, 502C6B, BGBFCR41, bGhOnEy10, bgshOOp10, BgoFErTaSchInA10, BgcLuBofErtA10, BGFLS15, 4BLF, BGAFF10OFF, BGCuponation10, BGHONEY2110, BG10OFFAFF, BGwhielabel
(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
Here is price history (for all/most countries) for FOLOMOV PEN L1 Nicha E21A Flashlight Pen. The lowest price was: $20.
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)).