07f2:0003 — KEYLOK3

This is the USB identifier for a KEYLOK3 manufactured by Microcomputer Applications, Inc.. The vendor ID 07f2 is registered to Microcomputer Applications, Inc. with the USB Implementers Forum, and 0003 is the product ID that Microcomputer Applications, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 07f2:0003 Microcomputer Applications, Inc. KEYLOK3.

Linux

$ lsusb
Bus 001 Device 004: ID 07f2:0003 Microcomputer Applications, Inc. KEYLOK3

You can filter directly with lsusb -d 07f2:0003, or get the full descriptor dump with lsusb -v -d 07f2:0003. Kernel messages from dmesg show the same pair as idVendor=07f2, idProduct=0003.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_07F2&PID_0003
USB\VID_07F2&PID_0003&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_07F2&PID_0003"

macOS

$ system_profiler SPUSBDataType
    KEYLOK3:
      Product ID: 0x0003
      Vendor ID: 0x07f2  (Microcomputer Applications, Inc.)

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

The exact lines this page is generated from, in the upstream source file:

07f2  Microcomputer Applications, Inc.
	0003  KEYLOK3

• 07f2:0001 KEYLOK II

See all 2 devices from Microcomputer Applications, Inc. →