USB power mode and DC power mode. Ultra-fast USB transfer speed, up to 5 Gbps per second. Backward compatible with USB 1.1, supports Plug and Play and hot-plugging of peripherals and hubs. Overload and overcurrent protection on 7 ports. Built-in LED indicator for connecting to any USB port. USB power, DC power, USB peripheral display. There may be a slight variation in measurements due to manual measurement. Please ensure this does not pose a problem for you before purchasing. The color may vary slightly due to differences in screen displays. Please note that when purchasing, your shipping address must be correct. If your shipping information (name, street, house number, absence of name on the doorbell/mailbox, or other information) is incorrect, the order will not be delivered successfully.