Kobalt Digital Tire Gauge Ergonomic pistol grip, 30-second auto shut-off, LED screen on both sides, air release button. PSI reading is displayed on both sides with illuminated LED displays Range: 0  99 PSI, +/- 1 PSI accuracy Replaceable batteries included (2 - CR2032 3v lithium) Operating temperature: 0 - 150 F (-18 - 50 C)