1. Precise monitoring, automatic pressure measurement, error Less than 0.05 Bar 2.Intelligent digital display, full stop immediately, no need to watch, when the tire pressure reaches a predetermined value automatically stop inflating, eliminate overcharging hidden trouble 3.With LED Light 4.Wireless speed charging, say goodbye to the drag line troubles, not limited by location or distance, easy to achieve the whole car 4 tire inflation or air free wireless, inflation is not limited 5.Tough and durable inflatable tube, wear-resistant nylon braided inflatable tube is anti-freezing and non-breaking, explosion-proof and high-temperature resistant Compact and portable, always with the car, ready to respond, compact body design, everywhere in the car, refuse to place, the critical moment immediately on the top Colour:As Shown Material:plastic Package Contents: 1 x Portable Air pump 1 x inflation accessories 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.