Built-in intelligent recognition IG can detect and deliver ideal current for attached device, protecting device's battery. Equipped with 4 AC outlets and 4 USB ports, supporting current up to 5V2.4A for single port, bringing you one-stop charging experience. It is integrated with AC outlets and USB ports, returning you a tidy desktop One press to control over all power supply, the switch lies on the side of this power strip. Overload protection -- Timely cut off power supply when the load exceeds normal , which can avoid the danger of fire effectively