LCD
The digital voltmeter with liquid crystal display has a range of 0-20V with a least count reading of 0.01Vol.It is used for testing open circuit voltage of 2V, 6V and 12V batteries as well as the charging system of a automobile . Also available model with range 0-200V to test Volts system.

LED
This digital voltmeter has Light Emiting Diode display . It does not have an internal battery and is powered by the battery under test . This voltmeter can be used for testing voltage between 8-20 volts.