Ultrasonic Leak Detector, Includes Ductwork, Gasket, Other Non- Pressurized Enclosures, Ultrasonic Emitter, Weather Stripping in Doors, Windows, Digital Display Screen Type LED Indicators, Product Type Ultrasonic Leak Detector, Display Size Not Applicable, Display Type No Display, Calibration Certificate Type Not Certified, Maximum Frequency Response 44 kHz, Maximum Locating Distance Not Applicable, Minimum Frequency Response 36 kHz, Minimum Locating Distance 0.004 in