vooyvex 8pcs power plug pro energy saver 2026 updated new stop watt energy saving device intelligent electricity electric saving box smart plug in power box power factor saver household power plug-in is up for auction in Appliances. The current bid is $1.50, 97% below the $46.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.