Features Automatic Cooling and Heating Conversion: Effortlessly maintains ideal temperature range for your equipment by automatically switching between cooling and heating modes. Wide Temperature Control Range: Operates within a temperature range of -50℃ to 110℃ with an accuracy of ±1℃, ensuring precise and reliable temperature control. Easy Mode Switching: Conveniently toggle between cooling and heating modes, providing simple and user-friendly operation for temperature adjustments. Stable and Safe Construction: Constructed with flame-retardant ABS material for stability and reliability, ensuring resistance to damage and prolonged usage. ble and Visual Alarm Function: Equipped with an alarm function to provide feedback on high temperature and sensor failure, enhancing safety and monitoring capabilities. Specification: Item Type: Digital Temperature Controller Model: STC-1000 Shell Material: ABS flame retardant plastic shell Measuring and Controlling Temperature Range: -50~110℃ Resolution: 0.1 Accuracy: ±1℃ Relay Output Contact Capacity: 10A/240VAC Sensor Type: NTC sensor, cable length 1 meter(approx. 1 meter / 3.3ft) Purpose: Temperature measurement, temperature control Package List: 1 x Thermometer 1 x Line 1 x User Manual Package List 1 x Thermometer 1 x Line 1 x User Manual