[Ergonomic Design] Matte surface and non-slip texture, easier to hold. Suitable for both men and women. [Upgraded Quality] Environmentally friendly material with comfortable feel. Excellent nozzle provides better protection and leak-proofness for the valve. Automatically shuts off after 60 seconds to save power. Backlit LCD screen and illuminated nozzle for visibility in dimly lit areas [Other Benefits] 4 pressure units and ranges: 0-100 PSI / 0-6.85 Bar / 0-7 Kg/cm2 or 0-690 KPA. Portable size that doesn't take up much space to store and you can use it anytime. Designed to maintain correct tire pressure, reduce tire wear and extend tire life [How to Use] Instructions are attached in the image. As you can see, first open the tire valve, simply press the \"ON/UNIT/OFF\" button to turn on the tool, select the range, then press the button and connect to the valve, then you can read the data on the screen. Suitable for cars, vehicles, bicycles, motorcycles, SUVs, etc.~~NANA1115