Lenovo Experience Improvement collects telemetry data on Lenovo systems.
The website Should I Remove It? describes it as:
The Lenovo Experience Improvement application is an option program that is pre-installed with various PC models. It is designed to provide feedback to Lenovo about the user’s usage and overall experience using the computer by reporting any errors, etc. […] Regardless if the user decides to participate, the program will install itself in the Startup using the Windows Startup Task Schedule arn will launch on reboot/login. Removing the software is safe and will not effect the functionality of the laptop as it is not required.
This immunizer is available for users of the Plus version. It will only be shown within Anti-Beacon if Lenovo Experience Improvement is installed.