Absolutely the best digital tire guage on the market;Backlit digital tire pressure reading; choose between PSI, KPA or BAR unit;Car Emergency Tool has built-in flasher, utility light, glass breaker, seatbelt cutter;One finger pressure release valve makes it easy to adjust tire with one reading;Compact, rugged, useful - a must for every glove compartment

• Protocol 6-in-1 Digital Tire Gauge & Car Safety Tool - Autosave

Protocol 6-in-1 Digital Tire Gauge & Car Safety Tool - AutosaveProtocol