1. Control temperature and humidity at the same time. 2 functions for heating and cooling2, NTC high-precision probe, waterproof, dustproof and corrosion-resistant, making the measurement more accurate.3. High temperature alarm, if it exceeds the set temperature range, a prompt will be given4. Two-color LED display, showing current temperature (red) and set temperature (blue), can be used for cooling/heating mode5. Widely used in household appliances, automatic irrigation, various cabinet hatching and breeding, greenhouse planting, agriculture, forestry and animal husbandry, food industry, etc.Specification:Temperature Measurement Range:-50 Celsius-110 CelsiusMeasurement Accuracy : 0. 1 CelsiusControl Accuracy: 0. 1 CelsiusReturn Difference Accuracy: 0. 1 CelsiusHigh-temperature Protection: O-110 CelsiusOutput: 20A RelayInput Voltage: DC 12VMeasurement Input: NTC(T0K 0.5%) waterproof sensorColour:blackMaterial:plasticSize:48 x 32 x 29mm Package Contents:1 * Thermometer ControllerOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.