A system includes a first device comprising a housing, a battery disposed within the housing, an intelligent control disposed within the housing, a transceiver disposed within the housing and operatively connected to the intelligent control, and a plurality of sensors operatively connected to the intelligent control. The system further includes a second device comprising a housing, a battery disposed within the housing, an intelligent control disposed within the housing, a transceiver disposed within the housing and operatively connected to the intelligent control, and a plurality of sensors operatively connected to the intelligent control. The first device and the second device provide for balancing load by powering one or more of the biosensors in one of the first device or the second device and shifting functions to the other of the first device and the second device.