$20.64 – Convoy C8+ SST40 Flashlight (Banggood, Aliexpress: 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 (the best price with coupon)).
According to my DB the lowest price is $20.64 for Convoy C8+ SST40 Flashlight (in Banggood). Just check coupons out (with price alert and history). Do you want to know what the best price is?
Latest coupon and price update (UTC):
Banggood ($20.64)
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood). Is it a low price? It’s a good price, isn’t it? The average is $21.41.
Link: Banggood product page
Price: $20.64
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
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
(probably won’t work, but you can try them out)
Aliexpress
There’re some similar (or not) items on Aliexpress
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)).