This cordless tire inflator is convenient, efficient and fast for pumping. With 4*500 mAh safe and portable power ba-tteries, the rechargeable air inflator does not need to connect the po-wer adapter when you use it, eliminate the trouble of open the car's door in winter or rainy day. Features: Convenient, efficient and fast for pumping. Equipped with-pressure checking gauge, automatically stop when set pressure is reached. The barometer can measure and display the pressure accurately. The comfortable hand held design perfectly fits in your hand for easy to fill up. Suitable for car, truck tires, bicycle tires, inflatable sports equipment, air mattresses, stroller tires. Built-in L-ED light, can be used as a spot light to see tire valve at night, as well as a flashlight. Comes with a storage bag for easier organize your item. Specifications: Input voltage:≥5V1A Ba-ttery: 4 * 14500; 2000mAh 3.7V Maximum current: 5A No-load current: 2A Air flow: 15L/min Maximum Detection Pressure: 150PSI Item size: 198 * 55 * 45mm / 7.79 * 2.17 * 1.77in Package size: 235 * 88 * 64mm / 9.25 * 3.45 * 2.52in Package weight: 500g / 17.63ounce Package List: 1 * Inflatable Pump 1 * Charging Cable 4 * Inflatable interface