You can chooes the mode you like
2 OPERATIONAL MODES: This user-friendly balloon pump machine offers both manual and automatic pumping modes with a fast but consistent inflation rate to prevent your balloons bursting.
2 NOZZLE SIZES -- Inflate different sized balloons thanks to the practical dual-nozzle design. Simply attach your balloon and choose your inflation mode!
Input voltage: 100-120V, Frequency: 50/60Hz. Handy wire storage keeps the cable tidy, preventing falls or accidents when the pump is not being uesd.