The X-631 Wheel Aligner can be used to measure the most wheel alignment parameters, such as front wheel toe-in, front wheel camber, caster, Kingpin inclination, rear wheel toe-in, rear wheel camber, thrust angle, wheelbase difference, tread difference, axle offset, front wheel setback and rear wheel setback, etc. wireless data transfer with bluetooth technology or 433 MHz radio module. It is fast, reliable, professional tool.