Trademaster model T2050 laser wheel alignment gauge suitable for cars trucks and buses.
 
Battery operated with an estimated battery life of 6-12 months.
Wheel rim capacity : 8" to 24".
Measuring range : +/- 2 degrees.
Laser beam height : under 50mm.
Laser : class 2, eysafe, 650nm, 1.0 milliwatt.

12 months warranty.