12V Delay Timer Control Switch 3/4Button LED Display Automation Relay Module

12V Delay Timer Control Switch 3/4Button LED Display Automation Relay Module. 4Button relay module. This product is a new digital LED countdown display 12v delay module module. 3Button relay module. Arduino Module. (5) NO: relay normally open interface, the relay is suspended before the suction, after the suction and short circuit with COM.. Condition:: New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions : Brand: : Unbranded , UPC: : Does not apply: MPN: : Does not apply , EAN: : Does not apply , 。

12V Delay Timer Control Switch 3//4Button LED Display Automation Relay Module
12V Delay Timer Control Switch 3//4Button LED Display Automation Relay Module
12V Delay Timer Control Switch 3//4Button LED Display Automation Relay Module