This electronic bug sweeper quickly and effectively detects everything from spy cameras, wiretaps, real time GPS trackers, telephone transmitters, to the latest Infinity Devices. The included pair of sensitive headphones and intuitive control panel allows you to easily locate the bug. EASY TO OPERATE: You only need one thumb to operate the anti spy detector, which comes in handy when discretion and speed is required. It has one of the highest detection ranges compared to all RF signal detectors in the industry, able to pick up frequencies between 10MHZ-10GHZ. Other devices max out at 6GHZ and are not able to detect modern surveillance equipment.