... further, it will cold.Parameter of infrared wall panel heater:Type:Heating typeCharacteristic:heating,waterproof,insulation,friendly- ... Frequency:50HZMaterial of motor:Carbon fiberFeatures of infrared wall panel heater: 1.Good oil resistance, corrosion resistance ... .5.nice economical and durable Application of infrared wall panel heater:Suitable for housing, villas, workshops, restaurants, office ...