Wireless Rechargeable Air Compressor: Portable & Automatic Tire Inflator for Your Car Specifications: Item Type: Car Air Pump Material Type: ABS Power: 120W Type: Car Tire Inflator Notice: 1.Do not use while charging ? 2.Please use the charging cable that comes with the product to charge, if the configuration of the charging cable can not be used, please use the rated voltage 5V, 2A adapter to charge 3.When you receive it for the first time, please fully charge the battery before using it.Charging should be stopped when full, and it is prohibited to keep charging for a long time.Normal charging time is 4-6 hours. 4.It needs to interval rest if long time inflation is required.Please take an interval of 8-10 minutes after using this product for 10 minutes 5. Please charge the product in time after using up the power. If it is not charged for along time, the product maybe can't be charged.