A great accessory to your favorite table lamp, the IdeaWork USB Lamp Base with Night Light works with lamps up to 7.5" diameter (sold separately). With an integrated nightlight, you can easily see the two USB ports when charging your devices.Built-in night light makes it easy to locate USB ports in the dark. 2 USB ports allow you to charge 2 devices at the same time. Holds lamps with a base up to 7½" in diameter (sold separately). Black finish. Plastic construction. Measures 7.48" diameter x 0.98" H. Maximum output: 2.5 amps. 1-year limited manufacturer's warranty. Imported.