The ProxKey III is a proximity card keyfob for access control offering HID proximity technology in a convenient, pocket size device. The proximity card keyfob easily attaches to a key ring, badge clip or lanyard. The ProxKey III is built to withstand harsh operating environments or handling.

The ProxKey III is suited for use in access control applications where a Photo ID is not required.

Key Features of the ProxKey III:

• Small enough to fit on a key ring.
• Universal compatibility with HID proximity card readers.
• Provides an external number for easy identification and control Can be
  placed on a key ring for convenient entry.
• Supports formats up to 85 bits, with over 137 billion codes.
• Using HID's ProxProgrammer®, card vendors can ship proximity keyfobs, custom programmed to
  their customers' requirements, from their own inventory. Enables smaller order
  quantities and overnight delivery. (Check with vendor for availability.)
• Lifetime warranty.