Ultrasonic Leak Detector For Ultrasonic Emissions Generated By Gas, Air Leaks. Leakage Indicator: Bar Led Display Panel & Audible Tone Frequency Response: 20 K Hz To 100 K Hz Power Supply: Dc 9 V Battery Power Consumption: Approx Dc 34m A Operating Temp: 0 Degree C To 50 Degree C (32 Degree F To 122 Degree F) Weight: Approx 260g/0.57 Lb (Including Battery) Size: Hwd 255 X70x25 Mm (10 X 2.8 X 1.1 Inch) Accessories Included: Operational Manual, Rubber Bottle Plug With Plastic Tubing. 1/