| Function: This product adopts the method of passive wireless frequency scanning, which can accurately find out: eavesdropping device phone eavesdropping, digital eavesdropping, tracking device, car eavesdropping, wireless pinhole camera, wired camera, electrical radiation source, etc. It can effectively prevent eavesdropping, take pictures, cheat, and protect personal privacy and information confidentiality. Specification: 1. Professional radio detection device, high sensitivity ,adjustable threshold ,large range of frequency detection 2. Easy to use(only switch+sensitivity knob),Sound and light alarm indicator,accurate and reliable 3. can detect Mobile, unicom, telecom,2G.3G.4G Card for … | |