Thanks to user 02LyW for posting the single pack last week. I picked one up.
t's currently retailing at Scorptec and PC Case Gear for $59 for a single pack (1).
** Get the driver from Kensington website directly - Verimark_Driver_v5.5.3534.1066_x64_Setup
Advanced fingerprint technology combines superior Biometric performance and 360° readability as well as anti-spoofing protection
Sign-in TO Windows with just your fingerprint, no need to remember usernames and passwords
Works in any USB a port (USB 2.0, 3.0, 3.1)
Compact design easily attaches to a standard key ring for convenient portability
Compatible with Windows Hello, Windows 10/8.1/7 computers and platforms, not compatible with Mac OS or Chrome OS