ACCURATE LIQUID CRYSTAL DISPLAY & AUTO SHUT OFF - The LCD screen tire inflator can clearly display the temperature, 4 units of PSI, BAR, KPA, KG/CM² and dual pressure values: actual measured and real-time preset value. The portable air compressor has 4 switchable scene modes: car, motorcycle, bicycle, ball mode, and has pressure preset and auto-off functions. Once the tire pressure reaches the preset value, the air pump will automatically stop inflation, providing a safe use experience. FAST INFLATION & POWERFUL PRESSURE OUTPUT - Due to the high-pressure capability, this portable air compressor can fully inflate one flat car tire on 8-11 minutes after being fully charged, and can continuously inflate 4 flat car tires. The maximum pressure of this mini electric air pump is 150PSI and the tire inflator will show the current tire pressure after connecting your tires to check whether the tire is leaking, you can set and monitor tire pressure at any time! ADJUSTABLE EMERGENCY LED LIGHTS AT NIGHT - The built-in brights LED light car tire pump (bright mode and blinking mode) is used as an outdoor light source, allowing you to inflate your tires at night for emergency or daily use. Tire pump lithium battery protection board, has battery overcharge protection, over-discharge protection, short circuit protection condition functions. Features heat emission system to quickly transfer internal heat, ensuring the normal operation of the motor. EASY TO CARRY & LESS NOISE - Featuring a portable, ergonomic design, this tire pump has been developed for your comfort in mind which measures only 1.4 *2.9 * 4.1 inches and weighs 0.6lbs. It is convenient to put it in your backpack or car to help you anytime and anywhere. Weight: 0.6lb Size: 1.4 x 2.9 x 4.1 (inches) Measurement accuracy: ±1.5PSI Input voltage: 5V/1~2A Working voltage: 7.4V Working current: 1-5A Operating temperature range: -10 to 80℃ Battery: 2 x 3000mAh Rechargeable Li-ion Batteries