Features FIRE RETARDANT SHELL - With a flame retardant ABS plastic shell, the temperature controller is safer to use. Practical accessory for refrigeration and heating appliances, our temperature controller is suitable for automatic switching of refrigeration and heating devices such as seafood machines and cooling water machines. HIGH ACCURACY MEASUREMENT - Large clear digital display shows temperature measurement, high accuracy of temperature measurement and control. Built-in Sensor - With a wide temperature measurement range and control range, our temperature controller comes with a built-in sensor. DUAL DISPLAY - Smart digital display thermostat for microcomputer, the thermostat has dual dual temperature display. 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