Compatibility – Includes 10 interchangeable tips that support all major brands of laptop computers.Smart – Automatically adjusts to meet the specific power requirements of your laptop computer.Compact – Small, lightweight adaptor with convenient carrying pouch making it ideal for travel.Flexible – includes AC power cord for standard wall outlets as well as a DC power cord forpowering/charging in automobiles and airplanes.Safe – Built-in over/under current and short circuit protection to prevent laptop computer damage.ROHS Compliant - Yes