DC LED Volt Meter

2Dimensions: 25*15*10mm
Wire length:150mm
Weight: 4.7g
Material: PP + electronic components
Color: red, green, blue
Measure voltage: DC 4.5/4.7/5-30V (two wires access)
Input polarity: DC voltage
Measurement precision:±1%
Display: three 0.36″ digital LED tube
Display color: green, red, blue
Refresh rate: about 300mS / times
Operating temperature: -10°c to 65°c
Max inputvoltage: DC30.0V
Working current: red<23mA，green<18mA，blue<13mA