You can create price alert here, copy coupons and view price history. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Night Vision / 360 Degree View / Motion Detection
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
1. ($53.99): 13f142
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): b25d1b, 902876, Alibuy91252, slmtkMI, 380fb7, d6be82, 502C6B, alibuy360, e2bcea, escam720, elec, MIJIA427, c850ef, XIAOMI349, buysmartchina360, 640528, BGmicam, c6770c, BGDOMOENCASA5, AFfbG10, 8d1b2a, BGBFAFF2019, BGBFCR38, BGCITYADS2019, BGXIAOMICAM, BGVDay10%off, 0e7f33, BGAFF10OFF, BGMPB2020, bGhOnEy10, BGFCA15, BGdragonBoat, BGXMD32, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BGELIG0920, BGHALLOWEEN, BgcLuBofErtA10, BGLL124, BGCuponation10, BG475d9d, BGHONEY2110, BGa3733b
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. Hong Kong – Xiaomi Mijia IP Camera Pan-tilt 360 1080P [HK] ($-3)
2. Europe – Xiaomi Mijia IP Camera Pan-tilt 360 1080P [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Mijia IP Camera Pan-tilt 360 1080P.
Price records source(s): Gearbest, 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)).