Ⅰ. STC-8080A+ is a universal temperature controller with single sensor, specify all the functions as refrigerating, defrosting, alarming when temperature exceeds setting limit. Ⅱ. Compressor delay protection time is solidified as 3 minutes, Controller start up and close according to the solidified proportional time when sensor error, which can be applied to the industries such as cold storage, refrigerator car, etc. Ⅲ. Main functions: To measure, display and control temperature. Defrosting cycle and defrosting time is adjustable. Alarm when temperature exceeds setting temperature limit value. Compressor start up delay protection. Compressor work as scheduled time when sensor error. Ⅳ. Model: STC-8080A+; supply voltage: 220VAC+10%/-15%,50/60Hz; consumption: less than 3W; Temperature measuring range: -50°C to 99°C; The temperature range is: -40°C to 50°C; Measurement accuracy: 1°C; Accuracy: +/- 1°C (-40 to 50°C), +/- 2°C (Other); Relay capacity of compressor: 10A/220VAC; Relay capacity of defroster: 10A/220VAC; Sensor error relay time: 1 minute; Sensor type: NTC sensor; Front panel safe level: IP64; Operating temperature: 0°C - +60°C; Relative humidity: 20%-85% (No condensate); Storage temperature: -30°C - 75°C; Colour: black; Material: plastic. Ⅴ. Package Contents: 1 * STC-8080A+ Digital Temperature Controller. Only the above package content, other products are not included. Ⅵ. Note: The measurement allowed error is +/- 1-3cm.