$20.37 – tail press, Color temperature: 6500K, Light cup: smooth cup, Material: aluminum alloy, Lumens: 2000lm, Lamp beads: SST40, Voltage: input voltage 3 – 4.2V, Can remember the gear position, Power supply: 1x 18650 battery (without battery), Range: 300 – 500 meters, Power: 15W, Battery life: about 1 hour (depending on battery capacity), Switch type and position: reverse switch, Waterproof rating: IPX8.
You can get Convoy C8+ SST40 Flashlight for $20.37 with coupon (from Banggood). Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Latest coupon code price check (UTC time):
Banggood ($20.37)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. What about the price? My database says that it’s pretty good price, coz average is $21.41.
Link: Banggood product page
Price: $20.37
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGC840, linepayflt, EYBG, BGSM30%, BGF1111, fInbG2020, BGff2020, BGSPR, BG14TH16, BG1128, BG10OFFAFF, BG10OFFAFF1, BGYW67, BANGGOODSD, BGTorch4, 00c906, BGtorch2, BGtorch3, BGdeals269, BGAlerabat15, BGtorch7, BGAlerabatI, BG4cc4ac, BGtorch9, BG8Alerabat, BG59c74f, BGLED07, BGOutlight10, BGec231b, BG12a755, BGfe53d3, BGb49332, BG6dd5c5, BG1393ae, BG970e54, BGe8ed4f, FIN9802, BG770b1d, BGBLF31, BG589b2e, BGd57765, BGHOBBY241A, BGC8T40
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
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.
Price history and price alert
Here is price history (for all/most countries) for Convoy C8+ SST40 Flashlight. The lowest price was: $16.5.
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)).