AccuTrak is so sensitive you can actually hear the blink of an eye, yet most background noise will not interfere with leak detection accuracy. NOTE: This kit features HARD-HAT-COMAPTIBLE headphones. The VPE Professional Kit includes the VPE leak detector with goose-neck probe, battery, waveguide, professional noise cancelling, hardhat-compatible headphones, a convenient belt pack, and a large carry case to keep everything together. Carbon Fiber Front Headlight Eyebrows Eyelid Overlay Decal Cover Trim Headlight Eyelid Headlamp Eyebrow Strip Trim Eye Lid Deco ion Sticker Fit Designed for prolonged use, the included hard hat compatible headphone set offers top-notch comfort and clarity, allowing technicians to work efficiently... Superior Signal Superior Signal VPE-GN PRO AccuTrak Gooseneck Ultrasonic Leak Detector Professional Kit Vpe Gn Pro The high-quality, hardhat-compatible headphones eliminate all background noise, allowing a technician to effectively find the smallest leaks, even in very noisy surroundings. Use the Superior AccuTrak VPE-GN, Ultrasonic leak detector, featuring Goose-Neck probe, to find leaks in refrigeration, compressed-air, or vacuum systems. The AccuTrak VPE-GN Professional Kit-- featuring headphones-- is designed for technicians who work in noisy places or need to find small leaks. Using “heterodyning” technology, high-pitched sounds, characteristic of pressurized gas leaks are transferred to a lower frequencies that humans can hear. VPE-2000 Digital Allsun Pro Ultrasonic Leak Detector Kit Advanced Inficon Ultrasonic Leak Detector