Logitech MK-220 Wireless keyboard and mouse combo

Dimensions Keyboard Height: 112 mm Width: 381 mm Depth: 17.78 mm Weight: 320 g Mouse Height: 107 mm Width: 60 mm Depth: 40 mm Weight: 112 g Technical Specifications Wireless range: 10 meters 1Wireless range may vary due to environmental and computing conditions. Keyboard 10-Key Number pad Music Controls Up to 5 million keystrokes (excludes number lock key) Key type: Deep-profile Spill-resistant 2Tested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse the keyboard in liquid. 2 AAA batteries (Alkaline Batteries) Mouse Sensor Technology: Smooth Optical Tracking Number of Buttons: 3 (Left/Right-click, Middle click) Scrolling: line-by-line Scroll Wheel: Yes, optical 2 AA batteries (Alkaline batteries)