115
people found this helpful, as of 2023
ranked #237,861 most helpful
out of 571,544,897 reviews
★☆☆☆☆
They do not work ...
Please do not sale bad products, they do not work, i lose money
Please stop to sale like this products
the product in question
Heunwa Power Save, 90V-250V 30KW Electricity Saving Box, Energy Saver Saving Device for Household Office Market Factory(US Plug)
3.5★ · 3,504 ratings, as of 2023