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/distance, easy to achieve the whole car 4 tire inflation/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: 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.