About this item [Tire Pressure Detection & Intelligent Control] Tire pump has a large LCD digital display screen with 3 pressure measurement units- PSI, KPA, BAR. Real-time reporting of accurate data to know tire pressure at a glance! The bike pump for car also provides you with rest- using experience based on the auto shut off function at the desired level. There is no need to worry about over inflating! , portable and easy to store. Power supply type: usb charging Power:120W Voltage: 7.4V Air pressure flow: 25L/min Main scope of application: household cars material: metal Color as shown Note: Due to different production batches, there may be slight differences in products. Package Contents: 1 x Portable Tire Inflator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.