Package contents: digital pressure gauge * 1, no others. Connect the valves to quickly obtain accurate data. Range available in 4 units: 0 - 150psi, 0 - 10bar, 0 - 1000kpa, 0 - 10kg/CM Press the on/off button to change the data unit. Schrader valves only! LED and backlit illumination: Backlit LEDs and lighted nozzles clearly display reading data even at night or in the dark when you need to test tire pressure. Easy to use: one button. Press on / on / off to open the pressure gauge, then select the desired unit and connect it to the valve of the tire you want to test. After use, the device automatically turns off after 30 seconds to save battery power. Very convenient to carry, you can put it on the center console or hang it on your car. Ergonomic handle design and non-slip surface Versatile: Put an end to the frustration at the gas station and check your vehicle's tire pressure yourself! Helps maintain normal tire pressure, reduces tire wear and extends tire life. It also helps to improve fuel efficiency and operational performance of the vehicle to stay safe and avoid blind speculation before continuing to drive. Suitable for passenger cars, motorcycles