The keypad style can be adjusted and even made to randomise on each use so that “tell-tale” fingerprints do not leave clues to the access code digits. There are 3,628,800 possible key layouts.
The keypad reader connects to the controller with a simple 4 wire interface.
Covert Code Entry
Micro louvre privacy filter limits the horizontal viewing angle to + and - 30 Degrees. While the vertical viewing angle is unaffected.
Dark Crystal Features
Dark Crystal readers take full advantage of the two-way communication in the P4 reader interface. Saving connections and installation time this feature also provides for a much richer and more informative user experience from the access control system.