CWK&reg; Laptop Charger AC Adpater Power Supply Cord Plug for Acer S191HQL S200HL S200HQL Lcd Monitor Screen Acer S201HL S211HL S220HQL V195WL Lcd Monitor Screen Input Volt Range: 100-240V (Worldwide Compliant) Output: 19V 2.1A 40W 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