Features ABS Flame Retardant Shell: Provides enhanced safety during use, ensuring reliable and secure temperature control. Microcomputer : Offers precise and accurate temperature monitoring with a dual display for easy viewing. NTC Sensor with 1M Cable: Convenient and flexible usage, allowing for easy installation and placement. Large Digital Display: Clear and easy-to-read digital screen for accurate temperature measurement and control. Versatile Application: Suitable for automatic switching of refrigeration and heating devices, making it ideal for various equipment such as seafood machines and cooling water machines. Specification: Condition: 100% Brand New Item Type: Temperature Controller Product Model: STC-3018 Optional Voltage: 12V/24V/110V - 220VAC Temperature Control Range: -55°C - 120°C Screen Display: Dual Screen Dual Display Machine Power Consumption: Less Than 3W Temperature Measurement Accuracy: ±1 °C (-50 °C ~ 70 °C) Resolution: 0.1 ° C Sensor: NTC Sensor (line length is about 1 meter) Ambient Temperature: 0~60°C Relative Humidity: 20%~85% (no condensation) Machine Size: Approx. 75 x 34.5 x 85mm / 3 x 1.4 x 3.3in Installation Opening: Approx. 71 x 29mm / 2.8 x 1.1in Housing Material: ABS flame retardant plastic shell Package List: 1 x Temperature Controller Note: Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List