feature:1. German PTFE piston ring. High temperature resistance, corrosion resistance, low friction coefficient,Can be used for a long time at -180C to260C2. High temperature resistant thick copper wire. All-copper design, low temperature rise, strong power conversionability3. Simple button arrangement. Minimalist design, comfortable touch, button function-simpleoperation4. Equipped with rotating nozzles, ball needles, French nozzles, long nozzles and many other inflatable ports,Meet the needs of daily inflatable equipment.5. Integrated design, inflatable tube, power cord, conversion nozzle, each part has its own storage space, beautiful and convenient.6. Large screen digital tire pressure. Smart preset charging and stopping. Built-in smart chip, one-time setting, automatic memory,No need to repeat settings. The three standard units can be switched at will. Tire pressure monitoring and preset tire pressure can be clearly displayed.