The MT9M114 is a CMOS image sensor produced by ON Semiconductor (previously Aptina Imaging). It's commonly used in camera modules for various devices, including smartphones, webcams, and other embedded systems. The MT9M114 camera sensor driver is software that enables your Windows operating system to communicate with and utilize the camera hardware.

In most cases, camera sensor drivers like the MT9M114 are typically bundled with the device manufacturer’s software package, such as a webcam driver or camera module driver. Installing the right driver will allow your computer to detect and use the camera sensor for video capture, conferencing, or other applications that use a camera.