1. The internal 1400W pure copper motor provides stable and strong airflow, which can blow a balloon in just a few seconds, saving you time and energy 2. You can press the switch to start/stop inflating, or you can set the time to semi-automatic vent 3. The front control panel helps you better control the balloon pump. You can choose the duration in units of 1 second or 0.1 second, or press and hold the + key to zero 4. The counting function and clear display screen allow you to know the working status. It also supports connecting two machines for use together, inflating two balloons simultaneously 5. The 6600mAh large-capacity battery eliminates the hassle of frequent charging! You can use it for quite a long time at a full charge, and the battery display function also allows you to monitor the usage of the battery at any time, Manufacturer: HDXAEW