Features:Professional signal detector, high and adjustable sensitivity, strong anti-interference performance, wide detection range.Easy to use, sound and light alarm indicator, accurate and reliable.Built-in lithium battery can work continuously for 10-15 hours, has a long service life.Can detect mobile, unicom, telecom, 2/3/4G card for bugs and locator.Can detect high speed upload GPS locator packet locator.Can detect 1.2G/2.4G wireless camera.Can detect hidden 5.8 GHZ wireless cameras and wireless eavesdropping.Suitable for hotel, bathroom, toilet, inside the car, political office, meeting room and so on.