A control unit supplies electricity to the thermoelectric device such that {HEAD ~ the first surface} absorbs {TAIL ~ heat} in a cooling mode and the second surface absorbs heat in a heating mode 
A control unit supplies electricity to the thermoelectric device such that { HEAD ~ the first surface } absorbs { TAIL ~ heat } in a cooling mode and the second surface absorbs heat in a heating mode
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH