Patent attributes
A power monitoring and signal unit provided with projecting connectors at a first face and sockets for receiving like connectors in a second opposite face, and circuitry for monitoring power flow through said unit when projecting connectors are plugged into a mains power outlet; said unit further provided with transceiver circuitry for the transmission and reception of data including command and control data. The power monitoring and signal unit may be in communication with a programmable sensor device comprising an individual signal unit registered by an owner of individual signal unit with a central control facility; The individual signal unit communicates with central control facility when an even sensor activates said individual signal unit; central control facility executing a user-assembled schedule of predefined steps on receipt of a communication from individual signal unit, predefined steps configured or reconfigurable by an owner of said individual signal unit from a web site.