Range Range: Max ANSI 452 meters (laboratory data / for reference only), Tail stand Tail stand: yes, Product weight 275g, Lens Type Lens Type: ar-coated lens, Number of batteries required 1, Battery type required Battery type required: 1*21700 battery, Weight with box 370g, Switch position Switch position: tail, Mode memory Mode memory: yes, – Orange peel Reflector, Illumination value Illumination value: Max 51KCD, Battery charger includes attery charger includes: not included, Reflector – Smooth Reflector, Mode Mode: 12groups /max output 2.5A, Packing size 181 * 87 * 59mm, – Warm white 4000-4500K, Reverse polarity protection Reverse polarity protection: yes, Low voltage warning Low voltage warning: yes, Material Material: aluminum alloy, Color Temperature – Neutral white 5000-5500K, Size 55mm/28mm /length: 163mm.
Just check coupons out (with price alert and history). 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. One coupon is available. Cool!
Link: Banggood product page
1. ($31.99): FIN9346
apply it 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): BGCONV, BGflashlight, cbrIDgTec, BG10OFFAFF1, BANGGOODSD, BGTorch4, 00c906
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for Convoy M21C GT FC-40 Flashlight is here. The lowest price was: $30.17.
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)).