Description: With large and clear LED display for better readability. Heating and cooling control. Temperature for calibration function. Delay for protection function. All parameters can be set to default setting after short circuit. Set the home temperature control, high temperature start or low temperature start, enjoy your intelligent life. Can be used for domestic freezer, water tanks, refrigerator, industrial chiller, boiler, steamer, industrial equipments and other temperature-controlled systems. It can control the power to a freezer to prevent it from getting too cold, or control the power to a terrarium to prevent it from getting too hot, maintain a stable environment. Specifications: Model: MH1210A. Material: ABS plastic. Size: 75*34*85mm. Opening size: 71 * 28mm. Operating Voltage: DC12V. Temperature control range: -40 ℃ ~ 120 ℃. Temperature measurement error: ± 0.5 ℃. Sensor Model: NTC (10K / 3435). Display accuracy of 0.1 degrees: 1 ℃. Operating current: MAX 200mA. Working temperature: 0-60 ℃. Storage temperature: -10 ~ 60 ℃. Compatible with refrigeration and heating control. Hysteresis adjustable. (1-30 °C). With delay start function. Temperature upper and lower limit setting function, factory parameter locking function. Support to for restore factory settings. Support power-down storage (sudden power-off settings are still valid). Supports temperature correction. Data retention. Package include: 1 * Temperature Controller. 1 * Temperature Sensor. 1 * User Manual.