This Terayon AC adaptor is the perfect solution for powering your laptop. With an input voltage of 120V and an output of 10V, it provides a reliable and efficient power source. The adaptor is designed for use with laptops and has a black color that complements any device. The unit quantity is one and the brand is Terayon. This AC/Standard type adaptor has a voltage of 10V and is suitable for use with a variety of laptops. It is an essential accessory for anyone who needs to power their laptop and is looking for a reliable adaptor.