Generic Mutil-function Automatic Adjustment Frequency Personal Detector Automatic Detection Sensitivity Adjustment application of places : banks, postal financial institutions such as the prevention of pinhole camera candid personal passwords, military installations or Government agencies prevent confidential leaks in hotels and other places, public places of violation of personal information and content, pool and gym changing room,anti-pinhole camera traffic school, exam cheat-proof company, factory or a variety of conference rooms to prevent leaks of trade secrets . Pinhole camera, Casino scams. Hosts be prompted to you automatically detect danger When in danger,eavesdropping,invisible wireless earphones,wireless pinhole camera,wireless mini camera,cell phone tapping software (xundercover software), phone card bugs, power outlet wire, wireless listening device, wireless sniffer, wired pinhole cameras, wired mini camera detection with automatic detection,LED display signal ,scan radius of 8 metres, to rapidly find the source signal