IS Icstation Digital Thermometer, Car Auto Temperature Gauge Sensor, DC 4-28V Fahrenheit Dual Display, Monitor with 2…
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NTC WATERPROOF PROBES - This aquarium thermometer uses high-precision NTC waterproof metal sensor probes to measure the water temperature of the aquarium.
DUAL SENSOR PROBES - Comes with 2 probes, enabling the thermometer to test the temperatures of two different places. For example, measuring the temp of indoor&outdoor or two different tanks at the same time.