There are 4 units with beach: 0-150PSI, 0-10Bar, 0-1000KPA, 0-10kg/cm, press on/off button to change data unit.Schrader valve only D LIGHT AND LED LAMP LIGHT: LED backlight and light nozzle show you reading data clearly even at night or in the dark when you need to test tire pressure. EASY TO USE : A BUTTON. Press "ON/ON/OFF" to turn on the pressure gauge, then choose the units you want and connect it to the valve of the tire you want to test. After use, the device will automatically turn off after 30 seconds to save battery power. Very convenient to carry, you can place it in the center console or hang it in your car. Ergonomic handle design and non-slip surface fits MULTIFUNCTION: Put an end to gas station frustrations and check your vehicle's tire pressure yourself Helps maintain normal tire pressure to reduce tire wear and extend tire life. It also improves the fuel efficiency and operating performance of the vehicle to maintain safety and avoid blind speculation before continuing on the road. Suitable for passenger vehicles, motorcycles, WIDE APPLICATIONS: The digital tire pressure gauge can be used to measure cars, bicycles, balls, rubber boats and other products. It has a wide range of applications and provides you with a safe and healthy journey. ILLUMINATED NOZZLE AND DISPLAY: With the blue backlit LCD display and lighted nozzle, the digital tire pressure gauge is visible in dimly lit areas and helps adjust the nozzle to the valve for a proper seal. ACCURATE MEASUREMENT: Digital display for clear and accurate readings, with high accuracy in 0 increments. 1. 4 units with beach: 0-150PSI / 0-10Bar / 0-10Kg/cm or 0-1000KPA; no more guesswork with analog gauges. EASY TO USE: One button with 3 functions: ON / UNIT / OFF, non-slip texture and ergonomic grip make it easy to grip. Automatic shutdown in 30 seconds to save energy. HOW TO USE US: Align the pressure tap with the tire, then squeeze it hard to keep the air tight. The tire pressure gauge will automatically display the reading. Note: Due to the difference between light and screen settings, the color of the product may be slightly different from the picture. As the manual measurement is different, please allow a slight size difference. Shipping Quantity: 1 pcs