2-24CH Optocoupler isolation relay module DC 3.3-5V 12V 24V microcontroller GPIO output signal amplification board input 24V

2-24CH Optocoupler isolation relay module DC 3.3-5V 12V 24V microcontroller GPIO output signal amplification board input 24V
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sku: 1005005871810966
$384.49
Shipping from: China
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