DEDC Digital Tire Pressure Gauge Air Tire Pressure Gauge Accurate Heavy Duty Dial For Your Car Truck and Motorcycle 0 to 200 PSI ILLUMINATED DISPLAY: An illuminated display, so it can be used in low-light situations. ACCURATE Digital Tire Gauge: Within +/-2%, Pressure range 0-200 psi. EASY TO USE: it is easy to use with one key to turn on or off. Besides, it can be switched between four modes: PSI, BAR, KPA, Kb/cm. (use 2 CR button battery, attached. NOTE: to save power, this car bike tire gauge will turn off after 5 seconds when there is no air came in.) SHOCK-RESISTANT COVER: The rubber shock-resistant protective cover can effectively protect the digital pressure gauge and guarantee that it can be used for long time. AIR-RELEASE VALVE: A built in air-release valve, don't have to toggle between checking the pressure and releasing it ,and the body of the gauge is enclosed in an easy-to-grip rubber case. (FREE caps and valve core attached)