Digital current regulation on lower brightness, Black HAIII Anodising Surface Finish / Clear-ano HAII Anodising, Net Weight: 96 gram, 000 hours, Made of 6063 aluminum alloy, with Purple switch leds, Toughened ultra-clear glass lens, Size: 120mm(L)x 34mm(Head)x 26mm(Body), 1x 21700 / 18650 (excluded), Luminus SST40W N5 5700K emitter with lifespan of 50, 6 degree angle TRI lens, Max 2300 Lumens, Body color: Matt Black / Clear anodizing, IPX6 waterproof.
Just check coupons out (with price alert and history). 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 coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($32.98): cbrIDgTec
put item in your cart and apply coupon code there 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): BGFFK, linepayflt, BGFFE01, EYBG, FINE01, BG13TH, BGF1111, FIN8OIP
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for Fireflies E01 SST40W N5 5700K Flashlight is here. The lowest price was: $27.19.
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)).