Sound and light alarm instructions are accurate and reliable. The closer Wireless Wave Detector are, the greater the noise, the greater the vibration, and the higher the LED level Using sensitivity chip, the detection range is wider. By adjusting the Anti Spy Detector, can source the wave be detected and found faster and more accurately, prevented from being monitored, intercepted and tracked RF Detector is a professional anti-spyware device. It can accurately detect the location of most illegal spy devices within a few minutes Bug Detector has 5 detection modes and easy to use, detection, vibration (silent) detection, beep detection, LED display detection, headset mode Hidden Camera Detector are used to prevent telephone wiretapping, digital wiretapping, vehicle wiretapping, tracking, wireless pinhole cameras, wired cameras, electrical appliances, etc, Weight: 0.21825763938 Pounds, Manufacturer: Lcarege_F09_5024996