$138.99 – 7 inch 1080P Tuya WiFi Video Intercom Doorbell System APP Remote Unlock Night Vision IP55 Waterproof Wireless Visual Doorbell with LCD Monitor for Home Apartment Security – EU Plug.
I am monitoring price for 7 inch 1080P Tuya WiFi Video Intercom Doorbell and it is for $138.99 now (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($138.99)
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood. Low/high price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $117.12)
Link: Banggood product page
Price: $138.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG589b2e, BGb4aab4, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX
(I don’t think these’re gonna work, but you can try ’em out anyway)
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
Do you need price history chart (for all/most countries) for 7 inch 1080P Tuya WiFi Video Intercom Doorbell? There we go. The lowest price was: $104.99.
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)).