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
Package Includes:
1x digital LED voltmeter
1. Reverse polarity protection:  comes with reverse polarity protection function  to prevent meter from burning even when connected reversely, but the screen display nothing.
2. Applications: suitable for automotive, electric cars, motorcycles battery monitoring or other devices voltage current measurement.
3. Anti-collision: the anti-collision protect shell make the digital voltmeter  more durable.
4. Clear LED display screen: 0.36'' 5 digital blue LED display, the screen is very bright. It is clear and accurate to read the data.
5. 2-wires: the voltage tester gauge equips with two wires, the red connects to positive and the black connects to negative.