neat toy, much better than their original design, works on most OBDll compliant vehicles (from 96 and up), can be transfered from vehicle to vehicle, plug and play, gives real time readout of multiple sensors, real time MPG, and much more! (I don't own stock or have any thing to do with this company, just a FYI post):
scan gauge

04 4x4 Double Cab Tacoma v6 TRD, all stock

77 Jeep CJ7, 304 v8, 33x12.50x15 bfg, 4.10 gears, 44 rear end, ford bronco low range gear mod, warn 6k winch, rubicon tested

1969 M274a5 Military Mechanical Mule

46 Bantam Civilian trailer