12V 4 Channel Delay Relay Shield Board Cycle Timer Switch Module PLC Smart Home
24,61 €
1 PCS DC 5V 9V 12V 24V 4 channel multi-function delay relay board. 6 kinds of functional modules,each functional module has three sub-modes (no cycle, 2-99 cycle, always cycle). 4 channel relay,each channel independently triggered independent delay, do not interfere with each other.
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