224
people found this helpful, as of 2023
ranked #135,679 most helpful
out of 571,544,897 reviews
★★★★★
Great
Love this, my electric bill dropped $40 the first month, I got another one for my kids room near there PlayStation. So we have 3 now by the gaming pc and air conditioner
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