Aliexpress
Click here… to search for 3 pcs. BlitzWolf BW-SHP6 Pro 15A 3450W Metering Smart Socket [EU] on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – 3 pcs. BlitzWolf BW-SHP6 Pro 15A 3450W Metering Smart Socket (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. There’s only 1 record in my database, so I have no idea if the price is OK. I found coupon for you. Check this out.
Link: Banggood product page
Coupon (42.76 USD): Cuponation9
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGTA529, BGXY529, BGa8c0e0, BGSmart6, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG4ef2d1, hoNEYbGdeAlS, BGJUNEGSG9, DealBGimpact, BG8FORMULAMX
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – 3 pcs. BlitzWolf BW-SHP6 Pro 15A 3450W Metering Smart Socket (-3 USD)
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: 32.66 USD.
You can set price alert (for Banggood).