Internal clock and battery with over 7 years lifetime guaranteed!.Ultra compact and discrete, less than 2 inches (5 cm) long.No software or drivers required, Windows, Linux, and Mac compatible.Support for WEP, WPA, and WPA-2 encryption.On-demand access at any time through TCP/IP.Automatic E-mail reports with recorded keyboard data.Background connection to the Internet over a local Access Point.All this in a device less than 2 inches (5 cm) long! Contains a built-in time-stamping module and battery. You can also connect to the keylogger at any time over TCP/IP and view the captured log. This wireless hardware keylogger will connect to a local Wi-Fi Access Point, and send E-mails containing recorded keystroke data. T his version offers remote access over the Internet! The KeyGrabber Wi-Fi Premium is a wireless keylogger packed with state-of-the-art electronics: two powerful processors, a full TCP/IP stack, a WLAN transceiver, and 4 Gigabytes of memory.