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 Save Space Large Space Protection Remote Control 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), 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, 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—tips: compatible with Android 4.4 above or IOS 8.0 above. It only supports a 2.4GHz Wifi network (can't work with 5Gwifi). Wifi is needed, and no hub is required. 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