Description: SCM control, intelligentize, easy operation, low power consumption Outage setting, automatic memory Control accuracy 0.1 ℃ Size: Approx. 67 x 42 x 18mm / 2.64 x 1.65 x 0.71 inch Patch cord length: Approx. 1M / 39.37 inch, 2 pin port Technical parameters: Temperature control range: -20-100℃ Resolution ratio: -9.9~99.9: 0.1℃,  other temperature is 1℃ Temperature measurement accuracy: 0.1 ℃ Control accuracy: 0.1 ℃ Return difference accuracy: 0.1 ℃ Refresh rate: 0.5 S Input power supply: DC 5V, DC 12V, DC 24V Measuring inputs: NTC（10K 0.5%）waterproof sensor Output: 1 channel relay output, capacity =20A 125VAC，20A 14VDC Environmental requirement: -10~60℃, humidity: 20%-85% Size: Approx. 48.5 x 40mm / 1.9 x 1.5 inch Overall power consumption: Quiescent current: ≤10MA, operating current ≤65MA Indicator light direction: Flash shows start-up delay of refrigeration or heating, keep lighting shows the relay has closed Nixie tube: LL state shows open for sensor; please connect the sensor base on instruction, HH state shows exceed measurement range, temperature controller would peremptory turn off the relay, --- state shows high temperature alarm Package Includes: 1 x Temperature display module