Features : High-end digital chip, LCD display monitor, testing more accurate, more reliable and cost-effective. The rubber shock-resistant protective cover can effectively protect the digital pressure gauge and guarantee that it can be used for long time. LCD backlit displays of Psi, Bar, kg/cm2, Kpa measurement units on 2.5 digital pressure gauge. Simple push power button to turn it on, select the desired range. Pressure release button for precise adjustment of pressure while on the tire valve. To save gas and keep tire wear with proper inflation. Specification: Material: All metal body Color: Black Measuring range: 3-200PSI Four units: PSI, Bar, MPa, Kg/cm2 Internal battery: 2xCR2032 ( Included ) Working temperature: -20 to 80 Size: as shown picture Operarion Steps : Please measure the Vehicle Sensors Tire Pressure while the tire is cool. Use the end of the Vehicle Sensors Tire Pressure gauge to press the tire valve, the digital display shows the highest value. The Vehicle Sensors Tire Pressure gauge keeps the front vertical to pressure measurement and reads the Vehicle Sensors Tire Pressure. Please check the Vehicle Sensors Tire Pressure value (this pressure value refers to the cars instructions) and keep the tires at the correct pressure. After the reading is completed, press the pressure relief valve to remove the pressure inside the pressure gauge. After measurement, re-lock the lid on the tire valve nozzle. Package Included: 1 x LCD Vehicle Sensors Tire Pressure Gauge