Features Wide Temperature Control Range: Operates effectively between -40℃ to 120℃, providing precise regulation for various refrigeration and heating applications Large, Clear LED Display: Features a bright LED screen for easy visibility, making it simple to monitor and adjust settings at a glance Versatile Compatibility: Designed for both refrigeration and heating control, ensuring optimal performance in diverse environments Delay Start Function: Incorporates a delay start feature to prevent sudden temperature changes, enhancing equipment longevity and stability Customizable Settings: Allows users to set upper and lower temperature limits with a factory parameter locking function for enhanced safety and reliability Features: 1、The temperature control range is -40℃ to 120℃ 2、With large and clear LED display for better readability 3、Compatible with refrigeration and heating control 4、With delay start function 5、Temperature upper and lower limit setting function, factory parameter locking function Specification: Descriptions: This mini temperature controller, with heat and cool control, can set both a high and a low temperature limit, when the temperature is beyond the compass of limits, it will cool or heat automatically. Features: The temperature control range is -40℃ to 120℃. With large and clear LED display for better readability. Compatible with refrigeration and heating control. Return difference is adjustable (1-30℃). With delay start function. Temperature upper and lower limit setting function, factory parameter locking function. Support to restore factory settings. Support power-down storage (sudden power-off settings are still valid). Supports temperature correction. Specification: Product model: MH1230A Working voltage: AC220V Working current: relay can withstand 30A current Temperature control: -40 ℃ to 120 ℃ Measurement error: ±0.5℃ Display accuracy: 0.1℃, control accuracy : 1 ℃ Temperature sensor: NTC (10K/3435) Working temperature: 0 ℃ to 60 ℃ Storage temperature: - 10 ℃ to 60 ℃ Humidity: 90% RH without condensation Data storage: yes Relay current: AC: 30A/220V, can withstand 6600W load Temperature controller size: 8.5 x 7.5 x 3.5cm/3.35 x 2.95 x 1.38inch Sensor: probe: 4 x 25mm/0.16 x 0.98inch, cable: 1m/39.37inch Weight: 224g Package Included: 1 x Digital Temperature Controller 1 x Sensor Package List