TOOGOO(R) New Anti-Spy CC308+ Multi-Detector Full-Range All-Round Detector for Hidden Mini Camera / IP Lens / GMS / RF Signal Detector Finder With signal strength indicator to quickly find the source of the signal. Host will prompt your body automatically when he detects the danger with automatic detection. Adjustable sensitivity adjustment potentiometer ( widening the scope to improve the sensitivity or lower sensitivity to detect reduced detection range ) quickly identify the radio sources. Detection mode: 1-laser detection, 2-vibration ( silent ) detection, 3-beep detection, 4-led display detection, 5-headset detection. Low voltage 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.