Digital Probe thermometer Car Clock/Voltmeter 3in1 Panel Meter DC 12V/24V 0.56" Blue LED

Specifications:
Feature:Multifunction, Time/Voltage/Temperature,3in1
Display:  61mm ×29mm×17.5mm
PCB dimensions: 58mm × 26mm× 17.5mm
Operating temperature: -40 °c -85 °c or Measuring temperature: -4℉~158℉

Power Supply voltage: DC 7-30V ( with anti-reverse protection )
Display: Four 0.56 "LED digital tube
Display Color: Blue
Refresh rate: about 300mS / times
Measuring temperature: -20 to 70°c
Measuring Accuracy: about 1-2 °c
Sensor Cable Length: about 1M
Sensor probe:NTC
Some Application: for Measure Car, Room, Water, Refrigerator, Aquarium Temperature And DIY Etc   
Measuring voltage Range: 0-30V DC , Accuracy: ±0.02V
Clock: 24-hour, the battery backup is available 2 years

Display modes:
Only display time
Only display the voltage
Only display temperature
Time temperature voltage alternating display

Mode setting button:
Short press to select the clock, seconds, voltage, temperature display mode;
Long press show “ALL”, Enter the time temperature voltage alternating display mode,interval of 5 seconds. short press to exit

Time setting button:
Short press to adjust the hours, minutes (flashing),Short press again to exit
Short press the "Mode setting button", the clock starts running

Wiring of voltage measure:
Red: Power Supply +
Black: Power Supply -, Measure Voltage -
Green: Measure Voltage +

Package Includes:
1 x Digital Clock Voltmeter Thermometer 3-in-1