It tells the operator the lubrication level of the bearing and when it is optimal. The instrument makes sure that the bearings are not under or over lubricated. This extends the bearings life and saves lubricant. You can also connect headphones to hear the bearing condition. The device is easy to use and can do basic measurements and diagnosis of the bearing condition. You can use the Software to load a measurement route to the device. The instrument comes with a complete measurement kit that has a piezoelectric sensor, magnet and coiled cable that meet industry standards.