This Lite-on power adapter is designed for use with Acer Aspire S7 laptops. It has a voltage of 19V and current of 3.42A, making it a reliable choice for powering your device. The unit is black in color and comes with a unit quantity of 1. This adapter is compatible with Acer laptops and is made in China. It is part of the Laptop Power Adapters/Chargers category and is a type of power adapter. The adapter is designed for use with the Acer Aspire product line and is suitable for those looking to replace their old or damaged adapter.