PCI Revision: 2.2. USB Compliance: OHCI (USB 1.0A), EHCI (USB 1.0). USB HID Support: V1.1. 1 x Adapter Card. E27 Screw Cap Socket Light Bulb Holder Fitting Light Lamp Stand/Base 2/4Pcs a. Users may also refer to online installation tutorials for self-installation.
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