General description The PULITUO Tire Inflator is a portable air compressor designed for convenience and efficiency. With a DC 12V power source, this tire air pump features a built-in LED light for visibility in low-light conditions and a digital pressure gauge that accurately displays tire pressure. Technical specifications Maximum pressure: 150 PSI Pressure accuracy: ±1.5 PSI Usage Connect the inflator to the tire valve securely. Use the "R" button to select the desired pressure unit. Set the desired pressure using the "+" or "-" buttons. The inflator will automatically shut off once the preset pressure is reached.