This book deals with the insight of a device which can monitor heart beats and send the real time data to a mobile phone by using technologies like Global Positioning System, Global System For Mobile Communication. The device which in time of emergency can alert doctors or health monitor, can be used by heart patients or personnel in crucial environment, irrespective of their location. A heart rate monitor is also a very easy device to use for extended periods because it can be placed on the body in such a way that is not uncomfortable or in the way of any normal activity.