... 3 Relay outputs(10A), Defrosting, Alarm, 2 NTC Probes, High-quality, Low-price. TEH-K300 ... % RH (non-condensing) Detailed SpecificationsIntelligent temperature controller (digital temperature controller) specifications Accuracy±1 DigitMeasuring ranges ... Liushi Hongxing Instrument Factory specializes in manufacturing Temperature Controllers, Humidity Controllers, Refrigeration Controllers,Digital ...