Features:- It is good for the emergency needs when you are on highway and countryside road or rush for office on the morning while the tire low pressure.- Easy to use - just plug into your car cigarette lighter for power;slip universal adapter over tire valve and your're ready to inflate.- Light-weight & Compact Design, convenience to put it in trunk of car and not occupy any space.- Powered by your 12V car cigarette lighter.- Equipped with pressure checking gauge.- 3 Nozzle adapters for inflating tires, sports and etc.- Suitable for cars, bicycles, motorcycles, kayaks, ball and other fast inflatable ( not suitable for trucks, SUVs)Specifications:Material:ABS(Acrylonitrile Butadiene Styrene) Color: BlackVoltage: DC 12VCurrent: 10AAir Pressure: 300 PSIAir flow: 25L/minCable length: 2M/78.74"Dimensions: 12.5x6.5x11.5cm/4.92x2.56x4.53"NOTE: 1. 1kg/c㎡=14.2PSI=98.0665kpa2. 35-40PSI for general tires Basically it will take about 8 minutes for a full inflate. 3. The pressure gauge will start showing you readings after about 3 minutes of inflating.4. To protect the machine and extend its life, you must give it a break (6-8 minutes) after every 10-15 minutes use .Packaged included:1 x 12V Air Compressor Tyre Inflator2 x Nozzle adapters1 x Sports needle