This product uses active laser scanning and passive wireless method?of combing the sweep can be accurately identified: eavesdropping devices.Telephone eavesdropping, digital eavesdropping, tracking, vehicle eavesdropping, wireless pinhole cameras, wired cameras, electrical appliances and other sources…Can effectively prevent eavesdropping, videotaping, fraud; protect personal privacy data and information confidentialFeatures:With automatic detection, the host carry, when there are in Transformation eavesdropping? devices, pinhole cameras, casino fraud……So, the host will prompt your body automaically detects? dangerous.With signal strength indicator,cna quickly find the signal at source.Adjustment potentiometer to adjust the sensitivity ( increased sensitivity to widen the scope of? or reduce the sensitivity to detect reduced detection range) quickly identify the radio the power? supply.Laser detection: Windows host can be seen through the eyes of all within sight of the camera facing the camera. Wireless Sweep: frequency detection range (1MHz-6.5GHz)Detection mode:1. Laser detection,2. Vibration (Mute) detection,3. Beep detection,4 LED display detection,5. Headset