This is a dual display and dual control temperature controller, which can both control refrigeration or heating of two products. Easy setting, easy to install and use. Features: Microcomputer intelligent digital temperature controller with dual display and dual control function. Made of fine quality material with strong durability, long service life. Wide temperature measuring range from -50 to 110 and temperature control range from -50 to 110, high accuracy. Support cooling/heating mode setting and ultra high/ultra low temperature alarm function. Supportdelay protection function and temperature correction function. Easy setting, easy to install and use. Can be widely used in the greenhouse cultivation, aquatic animal husbandry, room temperature control. Specifications: Model: ZFX-ST3012 Power Supply: 12V, 24V, 220V (Optional) Color: White Material: Plastic Temperature Measuring Range: -50~110 Temperature Control Range: -50~110 Temperature Measuring Accuracy: 0.5 Temperature Control Accuracy: 1 Working Temperature: 0-50 Storage Temperature: -10-60 Sensor ProbeCable Length: 1M/3.28ft Item Size: approx. 76 * 55 * 31mm / 2.99 * 2.17 * 1.22in Package Size: approx.80 * 80 * 35mm / 3.15 * 3.15 * 1.38in Package Weight: approx.96g / 3.39ounce Package List: 1 * Temperature Controller withSensor Probe 1 * User Manual(English)