Parameter:
Name:0.28 inch digital display thermometer
Power Supply Voltage:DC 4-28V
Measurement Range;-20~100 celsius
Precision:0.1 celsius
Sensor Type:1m NTC metal waterproof sensor
Refresh Rate:1s/times
Display Size:22 x10mm

Using Introduction:
1.DC Power Supply:this product needs to connect with DC 4-28V power;red wire connects with power positive,black wire connects with power negative
2.Display:when take off temperature sensor,digital tube will display "- - -";when temperature is lower than -20 celsius or higher than 100 celsius,digital tube will also display "- - -"
3.Normal Temperature Collection Range:-20~100 celsius

Applications:
1.Measure car internal and external temeprature
2.Measure air conditioned room indoor and outdoor temperature
3.Measure refrigerator internal and external temeperature
4.Measure fish pond water temperature
5.Measure infant bath water temperature