From the manufacturer ENHANCE YOUR EVERYDAY PRODUCTIVITY WITH THIS RELIABLE WIRELESS KEYBOARD AND MOUSE COMBO THAT'S BUILT TO LAST.It connects easily to your Dell PC and has long-lasting batteries and anti-fade, spill-resistant keys that help enhance your workday experience.This full-size keyboard brings efficiency to your workflow with quick access, multimedia keys, and a convenient number pad. The 1000 DPI mouse sensitivity makes navigating your system easy with its three buttons and scroll wheel. IT GOES ON. AND ON AND ONThis keyboard and mouse combo offers one of the industry’s leading battery lives, 36 months for the keyboard, and the mouse clocks in at an impressive 18 months. Rigorous testing ensures it works seamlessly with your Dell system, so set-up is a breeze.It hits the ground running and doesn’t slow down. THOUGHTFUL DESIGN IS KEYTasks are easier and more enjoyable when you have the right tools. From the spill resistance to the anti-fading keycaps to the tilt legs for adjustable typing positions, we put thought into every part of the design. RELIABLE PEACE OF MINDAdvanced Encryption Standard 128-bit Advanced Encryption Standard on your keyboard provides a secure connection and helps protect the transmission of data across your system.Advanced Exchange Service Included with your reliable keyboard and mouse combo is a three-year Advanced Exchange Service. Product informationTechnical DetailsBrand‎DellManufacturer‎Dell Computers, DellProduct Dimensions‎12.3 x 44.9 x 2.5 cm; 497 GramsBatteries‎2 AA batteries required. (included)Special Features‎Wireless, OpticalNumber Of Items‎2Power Source‎Battery PoweredBatteries Included‎YesBatteries Required‎YesBattery Cell Composition‎Lithium IonConnector Type‎Wireless,UsbManufacturer‎Dell ComputersCountry of Origin‎ChinaItem Weight‎497 g