According to my DB the lowest price is $20.69 for WiFi iP Bulb Camera with Lamp (in Banggood). You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
Latest price update (UTC time):
WiFi iP Bulb Camera with Lamp Holder 5G 1080P Wireless Night Vision Color Motion Detection Two-way Audio AP Hotspot Video Playback Home Security Camera
Banggood ($20.69)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. What about the price? Well, this price is higher than average price ($14.32)
Link: Banggood product page
Price: $20.69
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
Here is price history (for all/most countries) for WiFi iP Bulb Camera with Lamp.
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)).