Features: Suitable for Windows XP, Windows 7, Windows 8, and Windows 2003 systems. The USB numeric pad is easy to usejust plug and play. With 18 full-size keys, the numeric keypad offers comfortable and efficient operation. Ideal for use with spreadsheets, accounting files, and financial applications. The 18-key USB keypad features ABS keycaps designed to withstand up to 50 million keystrokes. Specifications: Material: ABS Color: Black Size: Approximately 14 x 8.5 cm (5.51 x 3.35 in) Wire Length: Approximately 126 cm (49.6 in) Note: Please allow 12 cm variation due to manual measurement. Ensure you are comfortable with this before ordering. Due to differences in monitor displays, the actual color of the item may vary from the picture. Package Includes: 1 x USB Numeric Keypad