This palm-sized unit offers options for different levels of use, and:

• features an ultrasound microphone with output jacks for headphones or tape recorder.
   
• operates on one 9V battery and has a frequency range of 10-120 KHz.
  
  
• Features a heterodyne system with a dial display. 

Imported from Sweden: The price of this item can fluctuate depending upon the current monetary exchange rate.

Please note: Available to U.S. customers only.