This product is sold directly from Hubitools.
Use the promo code Diagnosedan20 to claim your 20% discount at the payment page.

Electronic stethoscope to be used with smartphone (free app available)
Will transform your iPhone®, iPod touch®, iPad® or Android into a state of the art Sound Detection Tool allowing for ease of locating andpinpointing those hard to find squeaks and rattles
User friendly interface and intuitive operation
Sound level reading displays average, peak, and real-time values
Sound level readings are displayed in either Analog or Digital
Selectable Audio Sound or Vibration input modes