Features With a wide temperature measurement range and control range, comes with a built-in sensor. Microcomputer Smart Digital Display Thermostat Dual Temperature Display Suitable for automatic switching of refrigeration and heating appliances such as seafood machines and cooling water machines. The large and clear digital display shows the measurement temperature, high accuracy of measurement and temperature control. Flame retardant ABS plastic shell, safer to use. Specification: Condition: 100% Brand New Item Type: Temperature Regulator Product model: STC-3028 Optional voltage: 12V/24V/110V - 220VAC Temperature control range: -20℃~80℃ On-screen display: dual screen dual display Machine power consumption: less than 3W Temperature measurement accuracy: 1℃, 0.1%RH Resolution: 0.1°C Sensor: built-in sensor Ambient temperature: 0~60℃ Relative humidity: 0% to 100% (no condensation) Machine size: approx. 75 x 34.5 x 85 mm/3 x 1.4 x 3.3 inches. Installation opening: approx. 71 × 29 mm/2.8 × 1.1 inches. 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 colour displayed in photos may be slightly different from the real object. Please take the real one as standard. Package List