A smart electricity monitor comprising: a housing ; a power switch disposed on the housing ; an AC/DC converter disposed within the housing ; a power cord extending from the housing and terminating in a plug configured to engage with an AC outlet, the power cord electrically connected, within the housing , in parallel to the power switch and the AC/DC converter ; a plurality of AC outlets disposed on the housing and electrically connected to the power switch by a protection circuit and a relay circuit arranged in series between the plurality of AC outlets and the power switch ; a communication module disposed within the housing and configured to communicate wirelessly in an ad hoc network , the module being in electrical communication with an AC current sensor and the relay circuit , and wherein a heat sensor , a motion sensor , and the communication module are all electrically connected in parallel to the AC/DC converter to receive DC power therefrom characterized in that the heat sensor is disposed on the housing ; the motion sensor is disposed on the housing ; the communication module is configured to wirelessly communicate data produced by the heat sensor and the motion sensor to a server across the ad hoc network , whereby the communicated data indicate the presence of a user proximate to the smart electricity monitor, and the communication module is configured to wirelessly receive a control signal from the server across the ad hoc network in turn to the data provided by the communication module , and to control the relay circuit to electrically disconnect one of the plurality of AC power outlets from the protection circuit in response to the control signal. a housing ; a power switch disposed on the housing ; an AC/DC converter disposed within the housing ; a power cord extending from the housing and terminating in a plug configured to engage with an AC outlet, the power cord electrically connected, within the housing , in parallel to the power switch and the AC/DC converter ; a plurality of AC outlets disposed on the housing and electrically connected to the power switch by a protection circuit and a relay circuit arranged in series between the plurality of AC outlets and the power switch ; a communication module disposed within the housing and configured to communicate wirelessly in an ad hoc network , the module being in electrical communication with an AC current sensor and the relay circuit , and wherein a heat sensor , a motion sensor , and the communication module are all electrically connected in parallel to the AC/DC converter to receive DC power therefrom characterized in that the heat sensor is disposed on the housing ; the motion sensor is disposed on the housing ; the communication module is configured to wirelessly communicate data produced by the heat sensor and the motion sensor to a server across the ad hoc network , whereby the communicated data indicate the presence of a user proximate to the smart electricity monitor, and the communication module is configured to wirelessly receive a control signal from the server across the ad hoc network in turn to the data provided by the communication module , and to control the relay circuit to electrically disconnect one of the plurality of AC power outlets from the protection circuit in response to the control signal. <EOS>