Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
SOS, Battery Configurations: Built-in battery, Max Output: 258 Lumens, Purple, Output Voltage: DC5V+-1A, Color: Black, Switch Type: Clicky, Model: SOLOVE X3, Waterproof: IPX6 waterproof, Impact Resistant: 1.5 Meters, Low, Weight: 85g without battery, Runtime: 3-8 Hours, Mode: High, Switch Location: Side of the flashlight, Size: 117.2mmx 25mm (Lengthx Diameter), Material: Aerospace grade aluminium alloy, Carrying Strap: Lanyard, Right, Input Voltage: DC5V+-1A
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):
Banggood
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGSX3, BGRTW, hp50%, cmb1, F7BG, BG13thMI20, BG2434P
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for Xiaomi SOLOVE X3 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)).