The digital LCD screen will clearly display the current pressure value when you connect it to the tire, convenient for you to monitor the the pressure all the time. With the preset pressure function, the tire pump will pump the exact amount of air andwill stop inflating when it reaches the preset value, provide you a accurate and safe pump experience. Compact and Portable: The mini air compressor was designed with the shape of water cup and give you a nice grip. when you do motorcycle riding or bike riding, take it will give you more convenience. Multifunctional Air Pumps: The air pump can be used for motorcycle, car, balls or swim rings, and it can also be used for all types of bicycles, such as mountain bikes, e-bikes or road bike. With the built-in battery and led light, you can also use itas a emergency flashlight in the dark. Safe Rechargeable Battery: The air inflator pump comes with a powerful rechargeable battery and the built-in battery safety protection design can avoid overcurrent and overcharge, provide you a safety inflation experience.The pump can inflate 2 car tires,8 Motorcycle tires, 12 bicycle tires and 50 basketballs .