ELEGRP adapter plug converts 1 non-grounded 2 pin 125-Volt AC outlet into 2 grounded 125-Volt AC Outlets plus 2 Type A USB Ports (total 4.2 A), perfect for older houses or offices with AC wall outlets that can not accept grounded plugs. There is an extendable metal grounding tab to fit neatly under the outlet plate screw and provide a proper grounding for safety. USB outlet extender can power and charge all your 4 devices at once without blocking. The plug-in transforms your regular outlet into an efficient, multi-purpose charging station. This outlet adapter plug turns 1 standard plug outlet into 2 outlets and 2 fast-charging 4.2 A USB ports in total. USB A wall charger can detect charged devices and deliver optimum charging speed up to 4.2 A (single port up to 2.4 A,12-Watt maximum). They are ideal for charging cell phone, tablet, laptops, power bank, etc. This USB outlet adapter is compact and lightweight designed to fit into luggage and briefcases, no need to carry extra charger plug for your traveling, ideal for travel and business trip. Meanwhile wall outlet expander with USB port is very useful for your household appliances at home or office. Outlet splitter can be used in any indoor place with socket, especially for the bedroom, college dorm room and hotel. Color: White. Material: Thermoplastic.