The Matco Tools VersaPro2 Multi-Function Jump Starter is a reliable and efficient tool designed for automotive use. With a voltage of 12V, this jump starter is designed to quickly and safely start vehicles that have dead batteries. The single item set includes the jump starter itself, making it a convenient and essential addition to any automotive tool collection. Although it does not come with a warranty, the Matco Tools brand is known for producing high-quality and durable automotive tools.