Measure voltage: DC 0-100V   
Input polarity: DC voltage   
Measurement precision:±1%   
Display: three 0.36" digital LED tube   
Display color: Red   
Refresh rate: about 300mS / times   
Operating temperature: -10°c to 65°c   
Max input voltage: DC100V   
Working current: Red<23mA  

This LED Mini Digital Voltmeter DC 0-100V adopts 0.36inch digital display and an ultra mini size, which is designed with reverse connection protection function.

Features:
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 RED LED display, the screen is very bright. It is clear and accurate to read the data.
5. 2/3-wires: the voltage tester gauge equips with two/three wires, the red connects to positive and the black connects to negative.