$38.69 – SONOFF POWCT Smart Power Meter Wi-Fi 100V-240V 24000W Real-Time Energy Monitoring Non-Contact Current Transformer.
I have just checked coupons. The lowest price I could get is $38.69 for SONOFF POWCT Smart Power Meter Wi-Fi 100V-240V 24000W (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?
Latest coupon code price check (UTC time):
Banggood ($38.69)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… Is it a low price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $37.74)
Link: Banggood product page
Price: $38.69
Additional Banggood coupons: first page and second page
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
Check out price history chart (for all/most countries) for SONOFF POWCT Smart Power Meter Wi-Fi 100V-240V 24000W. The lowest price was: $36.99.
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)).