Aliexpress
Click here… to search for Xiaomi Xiaofang Panoramic IP Camera on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (53.98 USD): BGBK15
Coupon (58.51 USD): 7d18f7
(CouponsFromChina.com tip: paste coupon code in your cart and click Apply 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): 83da6c, TTxBG10, BGOD1, BG44XMHL, affiliate6, BGss506, aff7off, BGaDmITAd, BGBAK15
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Xiaofang Panoramic IP Camera.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).