Check coupons or create price alert down below. Do you want to know what the best price is?
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):
Lens Tempered optical glass, Mode First gear (constant light), Battery life 40 minutes, Shell material Aviation aluminum T6061, Weight 12.3g, Battery 1xAAA battery (not included), Input voltage 0.8-2V, Size 7×1.5cm (lengthx head), LED power 1W, Waterproof IPX8, Reflective material Aluminum alloy reflector cup, Anti-drop height 1.5m, LED wavelength 365nm
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
1. ($16.68): BGAlerabat15
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): BGTKUV01, M6434, FIN1734, bgshOOp10, bGhOnEy10, BgoFErTaSchInA10, BgcLuBofErtA10, BGFLS15, 4BLF, BGAFF10OFF, BGCuponation10, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGflashlight, BG10OFFAFF1, BANGGOODSD, BGTorch4, BGtorch3
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Price history (for all/most countries) for TANK007 UV01 365nm 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)).