I have just checked coupons. The lowest price I could get is $275.99 for Srihome NVS010 5MP WiFi PTZ Camera CCTV Monitoring System Kit (in Banggood). Get coupons, create price alert or check price history out! Let’s see what best price is ATM.
Srihome NVS010 5MP WiFi PTZ Surveillance Camera Intelligent Night Vision Motion Detection Two-way Intercom IP66 Outdoors Wireless CCTV Monitoring System Kit
Latest coupon code price check (UTC time):
Banggood ($275.99)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. Is it good price? From what I can see this price is higher than average price ($179.99).
Link: Banggood product page
Price: $275.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG5f2536, BGREUPNVS010
(there’s a little possibility that old coupon will work)
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 Srihome NVS010 5MP WiFi PTZ Camera CCTV Monitoring System Kit 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)).