I have just checked coupons. The lowest price I could get is 17.99 USD for Tuya 2.4G WiFi Video (in Banggood). Price history, coupons and price alert are available on this page. What is best price?
Latest coupon and price update (UTC):
Banggood (17.99 USD)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… I think you want to know if the price is good. It looks like it’s a good price (lower than average (18.56 USD)).
Link: Banggood product page
Price: 17.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG00c906, BG589b2e
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
REHENT 2.4G WiFi Smart Tuya Peephole 5000mAh Door Eye Camera | 58.99 USD | Paste $10/50 coupon “WYJYK1WJFT5S” in the cart |
More on Aliexpress… Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for Tuya 2.4G WiFi Video Doorbell is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).