CHERRY G84-4400 LUBEU-0 USB keyboard

Features: - Individual Keys With Gold Crosspoint Contacts (Ml Technology) - Designed For Continuous Usage - Over 20 Mill. Confirmations Per Key - High Level Of Reliability And Unique Precision Confirmation Feeling - Integrated Trackball Plus 2 Mouse Keys - Extremely Flat - Total Height Just 20 Mm - Lightweight Specifications: Keyboard: - Recommended Usage: Universal - Device Interface: Usb - Keyboard Layout: Qwerty - Keyboard Language: Us English - Pointing Device: Trackball + Mouse Buttons - Keyboard Form Factor: Full-Size (100%) - Numeric Keypad: Yes - Keyboard Number Of Keys: 83 - Keyboard Keys Operating Life: 20 Million Characters - Connectivity Technology: Wired - Purpose: Universal - Certification: C-Tick, Ul, Vcci, Ce, Fcc, Vde, Bsmi Design: - Keyboard Style: Straight - Surface Coloration: Monochromatic Features: - Cable Length: 1.75 M Power: - Power Consumption: 36 Ma Mouse: - Movement Resolution: 500 Dpi - Buttons Quantity: 2 Operational Conditions: - Operating Temperature (T-T): 0 - 50 °C - Storage Temperature (T-T): -20 - 60 °C Weight & Dimensions: - Keyboard Dimensions (Wxdxh): 370 X 139 X 19.6 Mm - Keyboard Weight: 563 G