Powerful Performance - This 90 Watt adapter provides reliable and efficient charging for a wide range of devices ensuring your laptop stays powered throughout the day. Extensive Compatibility - Compatible with numerous models including Alienware Inspiron Latitude and OptiPlex making it a versatile choice for various laptops and desktops. Compact Design - this adapter is lightweight and easy to carry perfect for home office or travel use. Global Voltage Compatibility - With a voltage range of 100-240V this adapter is designed for international use accommodating different power standards worldwide. Round Barrel Connector - Featuring a 7.4 x 5.0 mm round barrel connector this charger provides a secure fit for a variety of compatible models ensuring stable power delivery.