9-in-1 Outlet Splitter: LENCENT 2 prong to 3 prong outlet adapter equipped with 6 wide-spaced AC outlets and 3 USB ports, converts a polarized 2 prong outlet to a 3 prong grounding outlet, allowing you to power 9 devices simultaneously to save more time. Reliable for any indoor place, especially for the bedroom, bathroom and hotel. Ideal for the non-grounded outlets in older house Grounding Protection: This 2 prong wall plug extender with a metal grounding slot helps you plug in up to 6 devices and still gives you the grounding protection. It is easy to line up with the center receptacle hole of most 2 prong outlets because the ground mounting hole is long enough (0.28 in). Just use the screw included to secure it on your outlet to keep the grounding function working. And keep it staying plugged in the wall while unplugged the devices Wide spaced Outlets and Smart USB Charging: The 2 prong power strip 3-sided wide spaced with 6 AC outlets (1.6 inches long space in between) can ea