Enda ETC8420-230 PID Temperature Controller

LED - Light Emitting Diode - a small light source

Alarm - A device which emits a sound at a pre-set time/event

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.

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