Electronic Specialties 162 Digital Tire Pressure Gauge Accurate digital tire pressure readings, reads in pounds per square inch, Kpa and Bar Backlit LCD display - uses two "AAA" batteries Measurement range: 5 to 100 pounds per square inch, 0.4 to 6.80 Bar, 35 to 680 Kpa Resolution: 0.1 pounds per square inch, 0.01 Bar; 1 Kpa, accuracy: +(1 percentage + 0.5) pounds per square inch