This time-saving device amplifies ultrasonic frequencies while filtering out background noise, making it ideal for pinpointing leaks during vacuum bagging or infusion. Headphones provide easy listening, while LED display meter indicates leak strength. Includes Ultrasonic Leak Detector, tubular extension adapter, tubular extension, parabola, headphones, and carrying case. Dimensions: 1" x 2.5" x 7.3," Weight: 4.5 oz or 6.3 oz (with battery,) Requires 9V (included), Frequency response: 35kHz to 45kHz +6db