Anti-Spy Wireless Signal Bug RF Detector Hidden Camera Laser Lens GSM Listening Device Finder Radar Radio Scanner Wireless Signal Alarm With auto-detection function. As long as you carry the host machine, any eavesdropping devices in living environment, pinhole cameras, Casino gambling frauds, etc can be detected by sending you a risk prompt via the means of auto-body vibration. Features environmental economy, high temperature resistant, corrosion resistant, easy to install, super environmental suitability and stability, low-voltage prompts. Laser Detection: Windows host can be seen through the eyes of all within sight of the camera facing the camera. Adjustable potentiometer sensitivity. (Greater/ smaller sensitivity can widen / narrow the detection scope ) This device can quickly identify the source signal waves with the help of equipped strong signal indicator light. Laser detection camera sets the distance range from 10cm to 10m (the naked eye can identify red flashing). Radio detection of camera range from 5cm to l0m ( Transmission power distance was decided according to the size of camera).