The FM radio transmitter circuit with Voice Vibration Sensor circuit is shown above. It includes the full range of vibration sensors, follower, relay control lamp circuit, voice circuits, high-frequency oscillation circuit and the exchange of buck rectifier power circuit. Its vibration sensor is attached on the glass-fronted cabinets display or on the display board. When someone try to steal , the transmitter circuit will automatically send voice alarm signal, on duty at FM (FM) radio alarm signal automatically to alert police officers on duty. It broadcasts with FM signal, as like a radio.Its mainly used for the security purpose alone.