One power adapter kit, for almost any brand of laptop you have. The Rosewill RMNA-12001 universal automatic notebook power adapter comes with 13 tips and 15-24V automatic voltage delivering broad compatibility with various models of ASUS, ACER, Sony, DELTA, IBM, DELL, Compaq, HP,NEC, Lite on, Toshiba, Gateway, Delta, SHARP. The cable tie on the adapter power cord helps eliminate clutter, while the OPP/OCP/OVP/SCP protection guarantees you maximum safety and peace of mind. 2-prong for most popular notebooks in the market. The cable tie of the adapter manages the power cord for a convenient and clutter-free storage. Rest assured knowing that your adapter always deliver stable and reliable power to your devices thanks to the OPP/OCP/OVP/SCP protection. Customer Service Phone Number: 800-575-9885