Relay Module LCD Delay Power Failure Reverse Protection Delay Relay Module For
8,08 €
Increase sleep mode, after you can, no operation within 3 minutes, automatically turn off the liquid LCD backlight: any button wake up. All the second relay module delay disconnection circuit switching delay cycle timing circuit switch 0.01 seconds (limited to small) ~ 9999 minutes (limited to large) continuous adjustable.
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