Para4ce UMD - Ultrasound Monitoring Device & Fleeting EVP Verifier SPRIT with a working time of

with a working time of 3-4 hours in high power mode and 8-10 hours in low power mode

so practice

Since the device is sensitive to audible and inaudible taps

The slim shape and compact size are perfect to decorate your home

Para4ce UMD - Ultrasound Monitoring Device & Fleeting EVP Verifier SPRIT with a working time ofPara4ce UMD Ultrasound Monitoring Device & Fleeting EVP Verifier UMD Ultrasound Monitoring Device Made in USA Make sure to catch all evidence on your investigation! The UMDs lights will alert you to ultrasounds. These are sounds beyond the human ears range. Works great as a second device to verify those vague quick EVPs you were not sure you heard. The UMD will pick up even the weakest vibration for instance taps on a table or the lightest footsteps.