A wireless power transmission system comprising: a power receiving module (RU); and a power transmitting module (TU), wherein the power receiving module comprises: a base substrate (BS); a humidity sensor (SS1) disposed on the base substrate; a plurality of transparent heat generating elements (TL) disposed on the base substrate; a first bus bar (BB1) disposed on the base substrate and electrically connected to at least some of the plurality of transparent heat generating elements; a second bus bar (BB2) disposed on the base substrate to be spaced apart from the first bus bar and electrically connected to at least some of the plurality of transparent heat generating elements; and a first coil pattern (L1) electrically connected to the first bus bar and the second bus bar, and wherein the power transmitting module comprises: a battery (BT); a control circuit (CC) capable of controlling the battery and the humidity sensor and a second coil pattern (L2) electrically connected to the control circuit and transmitting power supplied from the battery to the first coil pattern in an electromagnetic inductive coupling method. a power receiving module (RU); and a power transmitting module (TU), wherein the power receiving module comprises: a base substrate (BS); a humidity sensor (SS1) disposed on the base substrate; a plurality of transparent heat generating elements (TL) disposed on the base substrate; a first bus bar (BB1) disposed on the base substrate and electrically connected to at least some of the plurality of transparent heat generating elements; a second bus bar (BB2) disposed on the base substrate to be spaced apart from the first bus bar and electrically connected to at least some of the plurality of transparent heat generating elements; and a first coil pattern (L1) electrically connected to the first bus bar and the second bus bar, and wherein the power transmitting module comprises: a battery (BT); a control circuit (CC) capable of controlling the battery and the humidity sensor and a second coil pattern (L2) electrically connected to the control circuit and transmitting power supplied from the battery to the first coil pattern in an electromagnetic inductive coupling method. a base substrate (BS); a humidity sensor (SS1) disposed on the base substrate; a plurality of transparent heat generating elements (TL) disposed on the base substrate; a first bus bar (BB1) disposed on the base substrate and electrically connected to at least some of the plurality of transparent heat generating elements; a second bus bar (BB2) disposed on the base substrate to be spaced apart from the first bus bar and electrically connected to at least some of the plurality of transparent heat generating elements; and a first coil pattern (L1) electrically connected to the first bus bar and the second bus bar, and wherein the power transmitting module comprises: a battery (BT); a control circuit (CC) capable of controlling the battery and the humidity sensor and a second coil pattern (L2) electrically connected to the control circuit and transmitting power supplied from the battery to the first coil pattern in an electromagnetic inductive coupling method. a battery (BT); a control circuit (CC) capable of controlling the battery and the humidity sensor and a second coil pattern (L2) electrically connected to the control circuit and transmitting power supplied from the battery to the first coil pattern in an electromagnetic inductive coupling method. <EOS>