$$$Product UK - Amplivox : Tympanometers UK - Amplivox : ENT Doctors,UK - Amplivox : School Health Otowave 102-4 Otowave Hand Held Portable Tympanometer The Amplivox Otowave is shaped for success in accurate middle ear measurements. Fast accurate middle ear measurements Ergonomic shape Totally portable Intuitive use Large graphics display Programmable reflex test Optional portable printer and PC interface No external power or data cables