This controller is suitable for temperature control of the middle and low temperature cold storage;It could measure,display,control temperature,with the function of temp. calibration,forced defrost,over temp. alarm and sensor failure alarm,one key recovery of factory default value,parameters preset key recovery;It adopts touch key design with the key lock function;Two way sensor inputs:cabinet temperature sensor and defrost temperature sensor.Three way control output:Refrigeration,defrost and fan.Temperature measuring range:-40-99Temperature controlling range:-40-85Accuracy:1 at(-30-50);2 at other rangeResolution:0.1Power consumption:Less than 5WOutput capacity:Refrigeration:10A/220VAC Defrost:10A/220VAC Fan:10A/220VACPower supply:220VAC 10%,50/60HzAmbient temperature:-5-60Probe type:NTC(10Kohm/25,B value3435K)Colour:BlackMaterial:plasticSize:Sensor length:2metersPackage Contents:1 * ThermostatOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.