<b>Multifunctional Detector</b><br> Can identify wireless pinhole cameras, eavesdropping, tracking device and electrical sources.<br><br> Can detect 2G, 3G, 4G mobile phone SIM card bug, mobile network connecting devices, GPS locator.<br><br> Can detect the standby state magnetic locator, bug.<br><br> Easy to use(only switch + sensitivity knob), sound and light alarm indicator, accurate and reliable.<br><br>