Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Xiaomi Outdoor Camera CW400
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):
Banggood
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database.
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
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
1. (12.8.2024, $45.99): BG7d982e
Item: Xiaomi Mijia CW400 Outdoor IP Camera 2.5K
Countries: Hungary
Old coupons (from the oldest to the newest): BG8OFFCOUPON, BGXIFD081, TTBLACK5, BG7f4c91, BG589b2e, BGSaleFeb8, BGMARCHSALE, BGAUGUST8, BG3e12ed, BGREUPCW400, BGce95a7
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Mijia CW400 Outdoor IP Camera 2.5K? There we go.
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)).