ATM you can buy SINOTIMER SDM008 AC Din Rail Meter with LCD Display for $9.99 (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
SINOTIMER SDM008 AC Din Rail Multifunctional Meter with LCD Display Measures AC Power Voltage (50-300V) Current (0-100A) Active Power (0-30kw) Energy Consumption (0-1999kwh) Ideal for Effective Energy Management and Consumption Monitoring
Latest coupon code price check (UTC time):
Banggood ($9.99)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. Low/high price? Good news! This is great price, coz it’s the lowest in CouponsFromChina database!
Link: Banggood product page
Price: $9.99
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGTOOS729
(probably won’t work, but you can try them out)
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
Here is price history (for all/most countries) for SINOTIMER SDM008 AC Din Rail Meter with LCD Display.
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)).