Go down and check coupons out. Remember to check price history if it is available. What is best price?
Mode Memory: Yes, 4000K Neutral White, Color: Black, 7135*4 biscotti firmware: output current 1400mA, Weight: 76g, Size: (Heightx Width): 118mmx 24.1mm, Battery Configurations: 1x 18650 lithium battery(Not included), Reverse Protection: Yes, Lens: Ar-coated Glass, Material: Aluminum alloy, 5700K Cool White, Emitter Type: SST20 high CRI 95 with DTP copper plate, Driver: , Color Temperature: , Low Voltage Warning: Yes, Tailstand: Yes
Aliexpress
There’re some similar (or not) items on Aliexpress
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. You can get coupon down below.
Link: Banggood product page
1. ($22.79): BG589b2e
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGC219C, 502C6B, ZC219C, e2bcea, linepayflt, EYBG, BGTORCH, BGBFCR41, BGCONV, BGCONVOYSS, BGFLS15, 4BLF, BGAFF10OFF, BGflashlight, BG10OFFAFF1, BG9013, BANGGOODSD, 6GSGIT, BGTorch4, 00c906, BGtorch2, BGtorch3, BGAlerabat15, BGtorch7, BG8Alerabat, BGLED07, BGOutlight10, BG7e03f5, FIN9013
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – Convoy S2+ 219C 5700K Flashlight ($-3)
Price history and price alert
Price history (for all/most countries) for Convoy S2+ 219C 4000K Flashlight is here.
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)).