LEADING THE CORD CLUTTER RESISTANCE. 2 USB 2.0 Smart Chip ports & 2 copper 3-prong outlets are strong enough to handle up to 4 devices at once. When you plug into the USB port, the Power House senses your specific device & delivers the right amount of power, charging as fast as possible. Over-voltage protection assures a stable current to your gadgets. The heavy-duty 6' long extension cord winds neatly out of sight when not in use. This integrated cord storage keeps your workspace tidy. Tech specs: USB PORTS (2): Input: 110-250V, 50/60Hz, 10A. Output: 5V, 2.1A. POWER OUTLETS (2): 110-250V, 50/60Hz. Max current 10A. Max power 800W. Materials: Eco-Friendly Silicone + ABS+ Electronic Components.