This K18 Anti spy detects all kinds of spy gps/gprs system High Sensitivity--The signal detection device can adjust the sensitivity according to the actual demand. Through adjusting The Potentiometer, it can increase/decrease the sensitivity and expand/reduce the detection range. Camera detector can quickly identify the source signal waves with equipped strong signal indicator light. Upgraded Wireless Bug Detector--The improved one is easy to operate and portable. Stronger anti-jamming and wider range of detection frequency. This product uses advanced chips and has modes of laser scanning, RF wireless signal detection, magnetic field signal detection and so on. The back of the detector is equipped with six high-brightness laser lights, which can assist in finding micro pinhole lens and prevent omission.