Martindale VT25 Voltage Indicator

LED - Light Emitting Diode - a small light source

DC - Direct Current

AC - Alternating Current

Battery - A device used for the storage of electricity

compact - Carefuly designed to ensure an item has a minimal physical size

rotation - A circular motion of an object around a central axis

Safety - prevents damage being caused.

Compact - something that has a lot combined within a small space.

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

Voltage - A measurement of volts.

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