$20.99 – K20 1080P PTZ WiFi IP Camera Outdoors Surveillance Camera Full-color Night Vision Motion Detection Two-way Intercom IP66 Waterproof 2MP Bullet Camera Home Security Protection – EU Plug.
I have checked all old coupons and price is $20.99 for K20 1080P PTZ WiFi IP Camera (in Banggood). You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Latest coupon code price check (UTC time):
Banggood ($20.99)
Banggood warehouse is located in China. You probably want to know if this is a good price. Well, according to CouponsFromChina database this price is the best in history (2 records). There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Price without coupon: $21.99
1. ($20.99): BGEUK20CM
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for K20 1080P PTZ WiFi IP Camera. The lowest price was: $20.99.
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)).