weideer Digital Thermometer Dual LED Display Fahrenheit to Centigrade Adjustable DC 4-28V -67~+248℉/-55~+120℃ High Accuracy Temperature Gauge Sensor with 2 Waterproof NTC Probes K-017
Multifunctional thermometer that can be used as a Fahrenheit thermometer. It can also be used as a Celsius thermometer. Multi-function switching can be achieved through button adjustment. Equipped with 2 waterproof NTC probes, the thermometer can measure the temperature in 2 different locations at the same time. Clear red and blue display for clear temperature reading.
Voltage:DC4-28V;Temperature Range: -67 ~ +248℉;The green wire is the positive pole of the power supply, and the black wire is the negative pole of the power supply.