$14.99 – SINOTIMER SVP688 WiFi Energy Meter Remote Control Voltage/Current/Leakage Protection Real-Time Monitoring Adjustable Parameters Three Timing Modes Ensure Efficient Energy Management.
I have just checked coupons. The lowest price I could get is $14.99 for SINOTIMER SVP688 WiFi Energy Meter (in Banggood). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Latest price update (UTC time):
Banggood ($14.99)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… You probably want to know if this is a good price. This price is great, coz it’s the lowest in CouponsFromChina database!
Link: Banggood product page
Price: $14.99
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGTOOS729, BG4e7660
(there’s a little possibility that old coupon will work)
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
Here is price history (for all/most countries) for SINOTIMER SVP688 WiFi Energy Meter. The lowest price was: $14.99.
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)).