Main features: 1. Professional radio wave detection device with high sensitivity and adjustable threshold detection frequency range 2. Magnetic soft antenna with searchlight is easy to use, and it can easily search the corners, seams, dark back and other places that are hard to reach, such as cars, offices, rooms, etc. Accurate and reliable alarm through sound and light 3. It can detect the eavesdropper and locator equipped with 2G3G4G card of China Mobile and China Unicom 4. Locators that can detect high-speed upload of GPS locator data packets 5. It can detect 1.2G/2.4G wireless camera. 6. It can detect more concealed 5.8GHZ wireless camera and wireless eavesdropping 7. It can detect the locator, car tracker, etc. in sleep. 8. Wireless signal waveform display function.