CWK Laptop Charger AC Adpater Power Supply Cord Plug for HP 2511x 25 inch LED Monitors HP 2711x 27 inch Diagonal LED Monitor Input Volt Range: 100-240V (Worldwide Compliant) Output: 18.5V 3.5A 65W CWK AC Adapters manufactured with the highest quality materials. Built-in overload, over-voltage, and short circuit protection; 100% compatibility with the original. 90 Days Money Back Guarantee! Buy with confidence! Products trademarked CWK are marketed and sold exclusively by CWK TECHNOLOGY. We focus on providing quality power products and excellent customer service