New and high quality. Convenient installation. Environmental-friendly economy high temperature resistant corrosion resistant. Signal strength indicator can locate the signal at source quickly with means.</br>Adjustable sensitivity adjustment potentiometer (widening the scope to improve the sensitivity or lower sensitivity to detect reduced detection range) quickly identify the radio sources .</br>Detection mode : 1laser detection 2 vibration (silent) detection 3 beep detection 4 led display detection 5 headset</br>Low Cvoltage prompts  built-in rechargeable battery . laser detection : windows can be seen through the eyes of all host within sight of the camera opposite the lens  wireless sweep: frequency detection range(1mhz-6.5ghz)</br>Automatic detection the host carry when living in the environment with eavesdropping devices pinhole cameras casino gambling fraud host will automatically vibrates when you are under threaten.</br></br>Product Description</br></br>Quick Overview: <br /> This product uses active laser scanning and passive wireless method of combing the sweep can be accurately identified: eavesdropping devices. <br /> Telephone eavesdropping?? digital eavesdropping?? tracking?? vehicle eavesdropping?? wireless pinhole cameras?? wired cameras?? electrical appliances and other sources... <br /> Can effectively prevent eavesdropping?? videotaping?? fraud; protect personal privacy data and information confidential <br /> Features: <br /> 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. <br /> With signal strength indicator??cna quickly find the signal at source. <br /> 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