12V Relay Module Relay Module Self Locking Trigger Board 1 Channel Bistable
7,56 €
Trigger Mode: Low level trigger. When power on, the relay opens. T (T1 / T2 / T3 / T4): Trigger signal input (0.2-2 second low pulse). Item Type: Relay module. Supports simple installation, relay board with strong stability not requires particularly complicated operations.
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