Range About 200m, Material Aluminum alloy, Weight 122g, Size 103x 23x 30mm, Waterproof Yes, Modes Highlight – medium bright – flash, Name V9C400LM.
Basically copy coupon, view price history or create e-mail price alert. 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 price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($35.83): BG1efeb0
2. ($36.22): Terence
3. ($36.22): 2203ActiesNL
4. ($36.61): BG00c906
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 626b9c, 13f142, BGAFF10OFF, BGCuponation10, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGBICYCLES, BG4d9120, 00c906, ADMITAD2212, 2022ACTIESNL, Tabby20, 8Couponsde, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – ROCKBROS YQ-QD 200lm Bike Flashlight ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for ROCKBROS YQ-QD 400lm Bike Flashlight. The lowest price was: $10.9.
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)).