Precise monitoring, automatic pressure measurement, error Less than 0.05 Bar 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 With LED Light 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 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:blue Material:plastic Note:: The options do not include batteries. please prepare the batteries by yourself. Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Due to different product batches, the appearance may vary, which does not affect the use Package Contents: 1 x Electric air pump (Tool only, battery not included)