The coupon price for Tuya WiFi Intelligent Circuit Breaker 1P 63A Energy Monitor is $14.99 (in Banggood). Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Tuya WiFi Intelligent Circuit Breaker 1P 63A Energy Monitor Real-time Tracking Energy Consumption with Alexa Google Assistant Compatibility Remote Control for Home Office Apartment
Latest price update (UTC time):
Banggood ($14.99)
Banggood warehouse is located in China. I can’t find any active coupons for this product in Banggood. You probably want to know if this is a good price. My database says that it’s pretty good price, coz average is $15.24.
Link: Banggood product page
Price: $14.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGa8a7ff
(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
Check out price history chart (for all/most countries) for Tuya WiFi Intelligent Circuit Breaker 1P 63A Energy Monitor.
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)).