Measuring Range: 1.750” – 24.000”
Accuracy: ±0.015” or better*
Contents: 4 Sensors with Magnetic Floors (1 for each corner of the Race Car), 1 Android Tablet, Wall cube and USB cord for charging in a custom molded case.
Android App: Available in Google Play Store for Free with Free updates and comes pre-loaded on tablet for instant easy use. Cloud Backup automatic & free.

The 4 wireless sensors come with a magnetic backside (floor) that allows you to stick them to the underside of the chassis to make things even easier.  Once you have saved your zeros and you always scale in the same spot, just stick the sensors to the frame and start measuring.