Lenovo Preferred Pro II Keyboard USB QWERTY US English Black 4X30M86918 Keyboard Recommended usage: Office Device interface: USB Keyboard layout: QWERTY Keyboard language: US English Pointing device: No Keyboard form factor: Full-size (100%) Numeric keypad: Yes Keyboard keys operating life: 10 million characters Windows keys: Yes Connectivity technology: Wired USB hub: No Purpose: PC/Server Fingerprint reader: No Design Backlight: No Keyboard style: Straight Full-size keyboard: Yes Ergonomic design: No Adjustable keyboard height: Yes Product colour: Black Surface coloration: Monochromatic LED indicators: Yes Features Plug and Play: Yes Power Power source type: USB Power consumption: 100 mA Mouse Mouse included: No System requirements Windows operating systems supported: Yes Operational conditions Operating temperature (T-T): 10 - 40 degrees C Storage temperature (T-T): -40 - 60 degrees C Operating relative humidity (H-H): 8 - 80% Storage relative humidity (H-H): 5 - 90% Weight & dimensions Keyboard dimensions (WxDxH): 453.3 x 168.8 x 34.16 mm Keyboard weight: 850 g Packaging data Package width: 205 mm Package depth: 485 mm Package height: 42 mm Package weight: 1.08 kg Package type: Box