Keyboard Dell KM3322W Wireless w/ Wir. Mouse

Device Type: Keyboard and mouse set Interface: 2.4 GHz Wireless Receiver: USB wireless receiver Dimensions (WxDxH) / Weight Keyboard: 44.92 cm x 12.3 cm x 2.53 cm / 497.12 g Mouse: 5.832 cm x 10.49 cm x 3.887 cm / 57.8 g Input Device: Type Keyboard - wireless Hot Keys Function Volume, mute Localization and Layout: US English Keyboard Technology: Plunger Adjustable Height: Yes Pointing Device: Type Mouse - wireless Buttons Qty: 3 Movement Detection Technology: Optical Movement Resolution: 1000 dpi Supported Battery Type: AA x 1