Factory Sealed The Adesso 124 154977 001 Tru Form Media Ergonomic Keyboard has a split key design for ergonomic comfort conforms to your natural hand positions reducing tension in the shoulders, arms, and wrists. The embedded multimedia and internet hotkeys allows you to control your home entertainment functions with built in multimedia and internet features on the keyboard. Manage the power of your computer from the touch of a few buttons in Power Key , Sleep Key , and Wake Key . The low profile membrane key switch features more than five million lifecycles and is designed with a silicone rubber material. This keyboard is government certified through API with a Tempest 4 Pin interface designed specifically for use with Tempest Systems. Factory Sealed products are new, in original manufacturer packaging, and carry a manufacturer warranty. Model Number 124 154977 001 Product Name Adesso 124 154977 001 Tru Form Media Ergonomic Keyboard Product Type Ergonomic Keyboard Key Count 113 Keys 105 Standard, 8 Hot Keys Indicators Num Lock, Caps Lock, Scroll Lock Cable Length 63 inches Cable Interface Tempest 4 Pin Interface Hardware Compatibility IBM, Pentium II class or higher Operating System Requirement Windows 10, 8, 7 Dimensions 19.25 x 10.75 x 2