Dell KM3322W Keyboard & Mouse Combo, Anti-fade & Spill-resistant Keys Wireless Multi-device Keyboard??(Black). 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. Tasks 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. This keyboard and mouse combo offers one of the industry?s leading battery lives, 36 months for the keyboard and the mouse clocking in at an impressive 18 months. Rigorous testing ensure it works seamlessly with your Dell system, so set-up is a breeze. It hits the ground running and doesn?t slow down.Height: 25.30 mm (1.01 in.) 2. Length: 444.92 mm (17.60 in.) 3. Width: 141.22 mm (5.56 in.) | Starting weight: 497.12 g (1.10 lbs.) Mouse 1. Height: 38.87 mm (1.53 in.) 2. Length: 104.90 mm (4.13 in.) 3. Width: 58.32 mm (2.30 in.) | Starting weight: 57.80 g (0.13 lbs.)