3 ms·They would need to be electrically connected. Are you going to run wires between them?by JshWright 8y agoThey would need to be electrically connected. Are you going to run wires between them?lz400 8y agoCouldn't they be connected wirelessly and send the electric signal they receive digitized?JshWright 8y agoIt works by comparing the voltage potential across two or more points (in the case of the watch it's comparing the right arm against the left)deleted 8y ago[deleted]