IO25A01 5V Flip-Flop Latch Relay Module Bistable Self-locking Switch Trigger Other Appliances ITEM NAME:2Pcs Transparent Acrylic Folding

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IO25A01 5V Flip-Flop Latch Relay Module Bistable Self-locking Switch Trigger Other Appliances ITEM NAME:2Pcs Transparent Acrylic FoldingITEM NAME: IO25A01 5V Flip Flop Latch Relay Module Bistable Self locking Switch Trigger. This is a bistable (self locking) relay module,Trigger once, the relay pull (and holds); Trigger again, the relay releases (and holds). USE : By default, the relay is release, press the trigger button, the relay pull, press again, the relay release, the third press, the relay pull, and so on.