Feature:1. Wide range of application: this air compressor is suitable for all 12V car tires, in particular 4*4, luxury cars, 2 ton truck tires, also applicable for motorcycles, bicycles, balls, Kayak;, beach floating bed, life buoy, inflatable toys, inflatable items.2. High working efficiency, Huge air flow twin cylinder 150PSI working pressure, from flat to 30PSI in about 3 minutes (2. 2kg/cm 2) the normal tire pressure.3. It is must-have on the highway, field, or morning & evening commute when the tire flat or suddenly plunge nails, in case of any emergence.4. Easy to use: the pump is light & compact, simple operation 5. Packaged with canvas bag, safe & convenient to take. Specification: Type: 2 cylinders Air Compressor Voltage range: DC 12V-13.5 V Twin Cylinder: 30mm/1.18in Max Ampere: 23 Amp Max Pressure: 150 PSIAir Flow Rate: 60L/min Weight: 2.7kg/5.95 Lbs Power Cable Length: 285cm/9.35FTHose Length: 3M/9.84FTApplication: car/electric car/bicycle/motorcycle/ball/kayaking Note:1. Strictly use it within instructed power voltage DC 12V, do not use high voltage 2. The car motor should be started before using.3. Its better to stop a while after inflating for 15 minutes to extend the lifespan of the motor 4. Generally, when inflate Approx. 3 minutes; the normal tire pressure can reach 220KPA. Large tires will need longer time. If the gaugepointer rapidly rising when start inflate, means there is no air going though the tire, you must stop & star over, otherwise, the gauge & themotor wi