Simplicity of operation--quick and easy set up Pressure regulation--regulates the output pressure to prevent damage to the tympanic membrane or ossicular chain Temperature indicator/control--light will turn green when the water is at body temperature and will automatically turn off if the water gets too hot Suctioning action--to reduce messy 'outflow' Portability--can be moved from room to room easily or transported off-site if necessary All necessary components store easily in the storage tray