Wireless Wall Tap Smart Plug. Surge Protector. 4 Outlet Extender with 4 USB Charging Ports. Compatible with Alexa Google Assistant. No Hub Required (4 Outlets,4 USB Ports). ETL Certification. Multi-function USB Wall Outlet: 4 USB fast charging ports, 3-sided Power Strip, with 4 Adapter Spaced Outlets. Taking the place of a standard socket, but instead offering you many more plugs. It can be used in any room or public areas indoor. Save space. 4 AC outlets built-in 900 Joules surge protector with 2.1 inches long space in between, larger than the 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 each outlet and USB independently. Reliable Surge Protector Circuit: POWRUI 3 level complementary Surge Protector Circuit, which is composed of TVS (transient voltage suppressor), MOV (metal oxide varistor), and GDT (gas discharge tube), with a 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, Alexa and Google home supported; No need to turn on/off your devices manually. Use your voice. Remote control wifi plug control devices plugged into it from anywhere anytime via eco4life app—tip: It only supports a 2.4GHz Wifi network (can't work with 5Gwifi). Specifications: Product size: 4 x 4 x 2 inch Product color: milk white AC input: 110V - 220V AC AC output: 4 port AC outlet, 110V - 220V each USB output: 4 port USB charger, 5V 4A total Control: individual control each AC output and each USB output power on/off Wireless: WiFi 802.11b/g/n 2.4GHz Power button: Physical power button Surge protector: 900J surge protector Voice command: Works with Alexa / Google assistant Safety certification: ETL certificate, FCC certificate