Includes adapter body, 5.5mm x 1.7mm tip and power cord.Other connector tips are available on :4.8mm x 1.7mm ASIN: B002KHQD9S 5.5mm x 2.5mm ASIN: B002KHVPT6 6.0mm x 4.4mm ASIN: B002KHVPU0 6.3mm x 3.0mm ASIN: B002KHM98W 7.4mm x 5.0mm ASIN: B002KHX9SG 7.4mm x 5.0mm (central pin in the plug) ASIN: B002KHX9TK 7.7mm x 2.5mm ASIN: B002KHX9UE Compatible with Acer Aspire One Netbook, Aspire One Pro 10.1, Ultra Thin 10.1.Safety features that are built in are: - Automatic Overload cut-off - Automatic Thermal cut-off - Short circuit protection. The SOL COMPUTER name, images, and contents of this listing are protected by trademarks and copyrights. Copyright © 2008 SOL COMPUTER.