# Check the Time Remaining

Use Cogtool, a utility included with your VisionPro installation, to discover how much time remains on your key.

Enter the following in a command prompt window:

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    cogtool --print | more

The output shows when the key expires, accurate to within a five minute range:

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    There is 1 Cognex Security device installed.

    Cognex Security Key v8
    Serial Number: 3-4346701
    Device: Wibu CmStick/C, FW 4.05, FAC: 1
    Certified Time: 2018-04-03.00:22:
    License Details:
    Expires in: 365d 0h 33m
    ...