Photo 1 of AEDIKO 4pcs DC 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level

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Photo 1 of AEDIKO 4pcs DC 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low LevelPhoto 2 of AEDIKO 4pcs DC 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level