L-WOSU100 L-WOS100 L-WOSU100 L-WOS100 L-WOSU100 L-WOS100 USB Ports ✓ ✓ ✓ Qty 1pack 1pack 2pack 2pack 4pack 4pack Scheduling and Timer ✓ ✓ ✓ ✓ ✓ ✓ Standard Wall Plate Screw Cover Only Screw Cover Only Screw Cover Only Screw Cover Only Screw Cover Only Screw Cover Only Neutral Wire Required No Hub Required ✓ ✓ ✓ ✓ ✓ ✓ Voice&APP Remote Control ✓ ✓ ✓ ✓ ✓ ✓ Wi-Fi 2.4GHz 2.4GHz 2.4GHz 2.4GHz 2.4GHz 2.4GHz