047d:1042 — Ci25m Notebook Optical Mouse [Diamond Eye Precision]
Kensington
- Vendor ID
- 047d
- Product ID
- 1042
- Combined
- 047d:1042
- Decimal
- 1149:4162
What is this device?
This is the USB identifier for a Ci25m Notebook Optical Mouse [Diamond Eye Precision] manufactured by Kensington. The vendor ID 047d is registered to Kensington with the USB Implementers Forum, and 1042 is the product ID that Kensington assigned to this particular model. When you run lsusb on Linux, this device appears as 047d:1042 Kensington Ci25m Notebook Optical Mouse [Diamond Eye Precision].
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 047d:1042 Kensington Ci25m Notebook Optical Mouse [Diamond Eye Precision]
You can filter directly with lsusb -d 047d:1042, or get the full descriptor dump with lsusb -v -d 047d:1042. Kernel messages from dmesg show the same pair as idVendor=047d, idProduct=1042.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_047D&PID_1042 USB\VID_047D&PID_1042&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_047D&PID_1042"
macOS
$ system_profiler SPUSBDataType
Ci25m Notebook Optical Mouse [Diamond Eye Precision]:
Product ID: 0x1042
Vendor ID: 0x047d (Kensington)Driver help
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.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
047d Kensington 1042 Ci25m Notebook Optical Mouse [Diamond Eye Precision]