Giới thiệu Đồng hồ đèn LED kỹ thuật số đa năng 3 trong 1 tiện lợi đo thời gian nhiệt độ và điện áp cho xe hơi

Features:
1.There are three functions,Set time, temperature and voltage
2.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.

Specifications:
Voltage:5-30V
(to use the voltage meter function, the input voltage of at least 7V above)
Voltage meter range: 7 ~ 20V
( error 0.1V, measuring voltage=input voltage)
Temperature measurement range : -50 ~ 130 ℃
(the original temperature range from -9 ~ 60 ℃)
Current :about 30mA
Size:40mmx13mm
Thickness:14mm
Application: especially suitable for 12V car

Note:
1.Recommended more than 5.5V power supply, not according to the standard of power supply voltage, will burn out, the need to install the power supply wiring
2..Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid.
3.The colors may have different as the difference display, please understand.

Package include:
1 x Digital Car Clock Time+Temperature+Voltage 3in1 Meter