• EXPERT-GRADE CALIBRATION: Each AstroAI Tire Pressure Gauge is calibrated with professional-grade tools, ensuring quick and accurate measurement results within plus-minus 1PSI. Stay prepared for any roadside emergency and travel with peace of mind.

• SEAMLESS TESTING IN DIM AREAS: The AstroAI Digital Tire Pressure Gauge is equipped with an illuminated nozzle and backlit LCD screen. Use the illuminated nozzle to find the car valve stem in dim light. It easily forms a seal with the valve stem, and gives accurate measurements.

• ONE DEVICE, FOUR UNITS: The AstroAI Digital Tire Pressure Gauge has 4 pressure measurements to choose from; 0-150PSI / 0-10Bar / 0-10Kgf/cm² / 0-1000KPA. Press down the ON/UNIT/OFF button once to switch units.

• STREAMLINED ERGONOMIC DESIGN: This tire pressure gauge's ergonomic build ensures a comfortable grip that's easy to hold, while its compact design allows for convenient storage anywhere, such as glove boxes or compartments.

• POWER-SAVING FOR LONGER ENDURANCE: The energy-saving design with automatic shutdown after 30 seconds effectively extends battery life. The included 3 LR44 Alkaline Batteries allow you to start using it straight from the box.

• SUPREME-QUALITY AFTER-SALE SERVICE: This digital tire pressure gauge from the highest-quality materials. If any damages from transportation or malfunctions occur, this product can be returned. We are always dedicated to providing extraordinary products and services.