Compatibility Guaranteed: Specifically designed for E7240 E7440 E7420, this keyboard ensures a and seamless integration with your laptop. Enhanced Durability: Engineered to withstand the rigors of repeated use, this keyboard features UV-processed keys that maintain clarity and legibility even after 10 million keystrokes, ensuring long-lasting performance. Optimal Design and Functionality: Enjoy the convenience of a US layout with a backlit feature and an integrated pointer. Quality Assurance: Each keyboard undergoes rigorous testing to it meets high standards of functionality and durability. Sleek Aesthetic: Finished in classic black, maintaining the professional look and feel of your device. Model: for E7440/E7240/E7420 Series Number of keys: 88 Material: Plastic Interface: PS/2 Colour:Black Package Contents: 1 x Notebook computer keyboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.