Item Type: Intelligent Temperature Controller Material: PC Flame Retardant Measuring Range: - 40 to 99 Control Range: - 50 to 50 Power Supply: 220VAC 50Hz Power Consumption: Less than 5W Ambient Temperature: - 10 to 60 Relative Humidity: 20% to 85% (no condensed water) Accuracy: 1 Relay Capacity: 10A 220VAC Sensor: NTC sensor (resistance value 10K) Sensor Failure Delay: 1 minute Package List 1 x Thermostat 2 x Sensor 1 x Manual 1WORK DETAIL: Thermostat conducts temperature control according to the temperature setting value and return difference. Control output, protection delay. 2FUNCTIONS: This smart thermostat can limit the range of temperature settings, perform temperature correction, and alarm sensor faults. 3EXCELLENT PERFORMANCE: This thermostat performs stably and reliably in harsh and complex environments, and has an accurate measurement, small drift for more refined operation. 4DEFROSTING USE: A variety of defrosting fan management methods, dual control of temperature and time defrosting, defrosting dripping time can be set to meet diverse use needs. 5PC SHELL: The shell of the thermostat is made of premium PC material, flame retardant and fire resistant, ensure a long service life and good protection.