Yubi Power 4 Outlet Power Plug Surge Protector Wall Tap with 2 USB Ports 2.1A 300 Joules with Child Safety Cover - White - ETL Listed - 2 Pack Multi Outlet Power Plug Surge Protector Wall Tap with 2 USB Ports 2.1A. With child safety cover Great for simultaneous use of six electronic devices as well as two USB devices. Has a built in 300 J surge protection with a surge protected indicator. Slim and elegant to use anywhere in your home or office | Wall mounted for more security with enclosed hardware. Built in EM/RFI Filter for maximum reduction of AC line noise filtration. ETL Listed.