ATM you can buy TESSAN TS-611-DE 3-in-1 4000W Wall Socket Extender for 10.99 USD (in Banggood). Price history, coupons and price alert are available on this page. Do you want to know what the best price is?
Latest coupon and price update (UTC):
Banggood (10.99 USD)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. I think you want to know if the price is good. I have never seen better price than the current one in CouponsFromChina database, so it’s the best!
Link: Banggood product page
Price: 10.99 USD
10.99 USD – This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG589b2e
(probably won’t work, but you can try them out)
Aliexpress
Click here… to search for TESSAN TS-611-DE 3-in-1 4000W Wall Socket Extender on Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for TESSAN TS-611-DE 3-in-1 4000W Wall Socket Extender is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).