Multipurpose detection and wide use:This anti-spy signal detector is equipped with a powerful chip and professional signal processing technology. All kinds of detection can be done in minutes to eliminate all suspicious risks, with automatic detection function, which can effectively prevent eavesdropping, clandestine filming and personal privacy leakage. High Sensitivity & Adjustable Threshold:The signal detection device can adjust the sensitivity according to the actual demand. The detection frequency range is wider and the anti-spying capability is stronger. By adjusting the potentiometer, you can not only detect and find the source of the radio waves faster and more accurately, but also prevent being spied on, intercepted and tracked. Portable and easy to use:The compact size and lightweight design make this product easy to carry to various occasions and can be easily operated with just a few buttons. Dual mode RF detector can be detected, buzzer mode and vibration mode can also be used to detect RF signals using headphones with no sound from the unit. Sensitive & Accurate:This wireless detector can quickly and accurately detect if your car is equipped with a magnetic bug / hidden camera. It can accurately detect various eavesdropper RF frequencies from 1MHz to 6.5GHz for all FR frequency wireless audio and video transmission frequencies.