1、MAIN APPLICATION: Temperature controller can be used for cold storage, freezer medical storage, fruit and vegetable storage, which shows degrees Celsius, degrees Fahrenheit 2、FLAME RETARDANT AND LED DISPLAY: Digital freezer temperature controller is controlled by sensor wire and transformer, ABS flame retardant shell, waterproof and durable, possess stable performance; LED large digital display, easy to see digital changes, with eye protection 3、APPLICABLE SCENARIO: Microcomputer temperature controller, support cooling and heating conversion, suitable for temperature control, cooling, frost temperature control 4、FLEXIBLE DEFROSTING: Freezer temperature controller has multiple defrosting fan management modes, so the freezer temperature and time are controlled, while the defrosting drip time can be set to meet the needs of diverse use 5、CONTROLLABLE TEMPERATURE: Thermostat control temperature according to the temperature set value and return difference, control output, protect delay, can limit the range of temperature set value, with temperature correction and sensor fault alarm 1 x Temperature Controller1 x Sensor1 x User Manual Item Type: Freezer Temperature ControllerWorking Power Supply: AC230V 50/60HZRelay(refrigeration) Capacity: 10A 220VACOperating Temperature: -5℃~55℃Relative Humidity: 10%~90%RH (no condensation)Storage Temperature: -30℃~85℃Sensor: NTC sensor (resistance 10K)Sensor Fault Delay: 1 MinuteAccuracy: ±1℃Power Consumption: <3WTemperature Control Range: NTC Probe: -50~110℃PCT Probe: -55~140℃Display Resolution: 1℃/ 0.1℃