I bought one of these and then five more for gifts. No batteries required! Always works! Accurate, precise and agrees with my 0-40 psi $50 analog Moroso gauge and a bag full of digital gauges that are always in need of a new battery.
.
Professional Products 11101 Street Tire Pressure Gauge, 0-60 psi.
.
http://www.amazon.com/Professional-P...cts+tire+11101