Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Xiaomi WiFi Smart Outdoor Camera AW300 2K | 48.22 USD | – |
 |
Xiaomi Smart Outdoor Security Camera 1080P 5700mAh MWC10 | 79.06 USD | – |
 |
Xiaomi Smart Outdoor Security Camera 1080P 5700mAh MWC10 | 79.06 USD | – |
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (42.99 USD): BG1621bc
Coupon (51.04 USD): BGSmart6
(CouponsFromChina.com tip: just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGXMCASE, BGSTHO15, BGXMCASE+, BGHONEY2110, 13f142, 6GSGIT, BG9803cb, BG726297, BG4a7a54, BGB5055, BGce3a37, BGbc4973, BG9944b0, BG34d11c, BG1a915e, BG5cb186, BGcedc7a, ADMITAD2212, BGa6f549
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Smart Camera PTZ SE+ 1080P MJSXJ10CM.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).