According to my DB the lowest price is $34.99 for 9MP Three Lens Two Screen 8X Zoom Wifi Surveillance Camera (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Do you want to know what the best price is?
Latest coupon and price update (UTC):
9MP Three Lens Two Screen 8X Zoom Wifi Surveillance Camera HD Night Vision Auto Tracking Motion Detection ICSEE APP Alarm Push bluetooth Outdoors PTZ Security Camera
Banggood ($34.99)
Banggood warehouse is located in China. What about the price? This is the best price in history according to CouponsFromChina database! There is one great coupon!
Link: Banggood product page
Price without coupon: $65.54
1. ($34.99): BGdf2d4e
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 and https://couponsfromchina.com/short/5cd
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for 9MP Three Lens Two Screen 8X Zoom Wifi Surveillance Camera is here.
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)).