"The AirDrive Forensic Keylogger Module is an ultra-small USB keylogging module,
intended for installing inside a USB keyboard.It's just 0.5"" (12mm) in length and width,
making it easy to mount in literally any USB keyboard.
Available as the standard and Pro version.
Link: http://www.keelog.com/forensic-keylogger/ »
Records keystrokes from any USB keyboard
16MB internal flash memory
100% stealthy, undetectable for security software
Supports over 40 national keyboard layouts
Compatible with barcode readers
Works as a Wi-Fi hotspot
Connect from any computer, smartphone, or tablet
Access data from web browser, no software or app necessary
Retrieve data remotely without touching the device
Simple and clear WWW interface
Supports WEP, WPA, and WPA-2 network security
Memory protected by hardware encryption"