CHERRY G84-4700, Programmable Keypad, US-Layout with Numeric Keypad, Wired (USB-Connection), Plug & Play, Mechanical CHERRY ML Switches, BlackCustomisable keypad: Complete layout with numeric block. Ideal for applications with frequent number input in the professional and industrial sector Individual keys with gold crosspoint contacts (ML technology): The mechanical switches ensure high reliability and a uniquely precise actuation feel Absolutely durable: The robust pad is designed for continuous use and can easily handle over 20 million keystrokes per button without any loss of input