Air Compressor Digital Tire Inflator For Auto Motorcycle Bicycle Car Tyre Inflator Wireless Electric Air Pump Product features: 1. Built in high-capacity battery, wireless external power supply, plug and play, and support overcharge, over discharge and overcurrent protection 2. Support input overvoltage and undervoltage protection, output overcurrent, overvoltage and short circuit protection 3. Special DC motor for air pump is adopted, with low noise, large torque and stable performance 4. Metal cylinder is used, which is firm and stable, with high inflation efficiency and good fan thermal performance 5. Digital display, tire pressure monitoring, preset air pressure value, stop when full 6. Built in lighting to meet emergency use under different conditions;