Hengstler CR0731501 Tico 731 Counter Module

LED - Light Emitting Diode - a small light source

DC - Direct Current

Set - a group of items usually related to one another. Some objects cannot function without the complete set of items.

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

Voltage - A measurement of volts.

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