• Multi-function USB Wall Outlet: 4 USB fast charging ports, 3-sided Power Strip, with 4 Adapter Spaced Outlets. • Practical design: 4 AC outlets with 2.1 inches long space in between, larger than standard 1.5-inch socket. Larger spacing makes it easier to use for all kinds of equipment. 4 Smart USB ports (Total 4A) can charge your smart device quickly Smart WIFI control, download eco4life smart app to control the each outlet and USB independently. • Reliable Surge Protector Circuit: POWRUI 3 level complementary Surge Protector Circuit which composed of TVS (transient voltage suppressor), MOV (metal oxide varistor), GDT (gas discharge tube), with minimum 900J energy absorbing capacity, could protect your devices much more quickly and reliably than other brand's 1 level MOV(metal oxide varistor) Surge Protection Circuits. • Voice or Remote Control: eco4life wall tap smart plug, works with Alexa and Google home