Type: Car clock/Thermometer/VoltmeterMaterial:PlasticColor:BlackLight Color: Blue/red/greenQuantity:1pcInput voltage: 5 ~ 20V (to use the voltmeter function, the input voltage is at least 7V or more)Voltmeter range: 7 ~ 20V, error ± 0.1VTemperature measurement: -50 to 130 degreesWorking current: 30MAItem Size:4*1.3*1.4cm/1.6*0.5*0.6"(L*W*H)1.There are three functions,Set time, temperature and voltage2.Three functionscan be switched at any time.3.Total 4 kinds of display modes. 4.Only display time/only display temperature/only display voltage/three of functions alternate display (Note: in the alternatedisplay mode, can choose whether to display the temperature or voltage,through the dd option under the condition of dd:0 display time + temperature+ voltage. dd:1 display time + voltage. dd:2 display time + temperature).5.Manual correction function with temperature error, setting range of -5~5.6.With a backup battery, power down time to continue to go.Package includes:1 x Digital Car 3in1 Meter
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